System to describe the chemical formulas for WEB.

Terpenoid

Find chemicals by name or formulas.
This reference contains the names of substances and descriptions of the chemical formulas (including the structural formula and the skeletal formula).
Type the part of name or the formula of substance for search:
Languages: | | | Apply to found
Organic compound » Terpenoid
Collapsed list Selected category: Terpenoid with all child subcategories
Subcategories: Carotenoid.
Total count of records found: 49. Showed records: 20.

1. Camphor

Molecular formula: C10H16O CAS# 76-22-2
Categories: Ketone , Terpenoid
PubChem CID: 2537
Names
English:
1,7,7-Trimethylbicyclo[2.2.1]heptan-2-one(IUPAC)
;
2-Bornanone
;
2-Camphanone
;
Bicyclo[2.2.1]heptan-2-one, 1,7,7-trimethyl-(CAS)
;
Bornan-2-one
;
Camphor
;
Formosa
;
UN 2717
;
_(A150,w-)_(A-60)`\O\/_(x-.2,y-.6):a|w#1_(A30,w-)_(A-60)`\_p4;_(A45)#a_q4
`/_(A120)/_(y-1.5,x.2):a_#1\_(A120)<_(A60,L.8,N2)O>`\_(A120);_(A60)#a_q3
$L(1.2)-_(A45,W+)_(A-180)_(A150)_(A-135,W-)<_(A-165,N2)O>_#1<`\dH3C>_(A-70)\w#4;H3C\#-2/CH3
CH3|$L(2)\|`/`\`|/|C|;$L();#3//O;H3C_(x.7)#C_(x.7)CH3
CH3|_(x1.4,y.6)<//O>|_(x-1.4,y.6)_(x-1.4,y-.6)`|_(x1.4,y-.6)_(x-.8,y1.1):a_(x.8,y1.1);CH3_(x-.8,y.4)#a_(x.8,y.4)CH3

2. (-)-Camphor

Molecular formula: C10H16O CAS# 464-48-2
Categories: Ketone , Terpenoid
PubChem CID: 10050 | NSC 26351
Names
English:
(-)-Alcanfor
;
(-)-Bornan-2-one
;
(-)-Camphor
;
(1S)-(-)-Camphor
;
(4S)-4,7,7-trimethylbicyclo[2.2.1]heptan-3-one(IUPAC)
;
Bicyclo(2.2.1)heptan-2-one, 1,7,7-trimethyl-, (1S,4S)-
;
Camphor, (1S)-Isomer
;
Camphor, (1S,4S)-(-)-
;
EINECS 207-354-7
;
bicyclo[2.2.1]heptan-2-one, 1,7,7-trimethyl-,(1s)-
;
l-Camphor
;
$L(1.2)`-_(A135,W+)_(A0)_(A30)_(A-45,W-)<_(A-15,N2)O>_#1</dCH3>_(A-110)|w#4;H3C\#-2/CH3
CH3|<_(A-135,L.5,N0)$itemColor1(gray)"S">`/`\O\|\<_(y.5,N0)$itemColor1(gray)"S">_(y-1,x.4,d+)<_(A-25)CH3><_(A25)CH3>_(d-)#2\|`/

3. Menthol

Molecular formula: C10H20O
Categories: Terpenoid
Names
English:
(1R,2S,5R)-2-isopropyl-5-methylcyclohexanol(IUPAC)
;
(−)-menthol
;
3-p-Menthanol
;
Hexahydrothymol
;
Menthol
;
Menthomenthol
;
peppermint camphor
;
`\<`/dHO>`|/<`|dCH3>\|`/|w<`/H3C>\CH3
`\`|/<`|w>\|<\wOH>`/|d<`/>\
/-\<-wCH3>`/`-<`/wHO>`\`-d<`\H3C>`/H3C

4. S-(+)-Carvone

Molecular formula: C10H14O CAS# 2244-16-8
Categories: Terpenoid
PubChem CID: 16724 | ChemSpider ID: 15855
Names
English:
(+)-(S)-Carvone
;
(+)-Carvone
;
(5S)-2-Methyl-5-(prop-1-en-2-yl)cyclohex-2-en-1-one
;
(5S)-5-Isopropenyl-2-methyl-2-cyclohexen-1-on
;
(5S)-5-Isopropenyl-2-methyl-2-cyclohexen-1-one
;
(S)-(+)-Carvone
;
(S)-(+)-p-Mentha-6,8-dien-2-one
;
(S)-2-methyl-5-(1-methylethenyl)-2-cyclohexene-1-one
;
(S)-Carvone
;
Carvone, (+)-
;
D(+)-Carvone
;
S-(+)-Carvone
;
d-Carvone
;
|`//|\/`|/O`/`\;H_(A-50,d-)#5_(A60,w+)\`\`/
`\`|//<`|>\/O`/|`/|w<`//>\
\|`//<|>`\`/O/`|/`|w`\c\/

5. R(-)-Carvone

Molecular formula: C10H14O CAS# 6485-40-1
Categories: Terpenoid
PubChem CID: 439570 | ChemSpider ID: 388655
Names
English:
(-)-(4R)-carvone
;
(-)-(R)-carvone
;
(-)-carvone
;
(4R)-Carvone
;
(5R)-2-Methyl-5-(prop-1-en-2-yl)cyclohex-2-en-1-on
;
(5R)-2-Méthyl-5-(1-propèn-2-yl)-2-cyclohexén-1-one
;
(5R)-2-methyl-5-(prop-1-en-2-yl)cyclohex-2-en-1-one
;
(5R)-5-Isopropenyl-2-methyl-2-cyclohexen-1-on
;
(R)-(-)-Carvone
;
(R)-(−)-Carvone
;
(R)-Carvone
;
(−)-Carvone
;
L(-)-Carvone
;
Levo-carvone
;
R(-)-Carvone
;
l-Carvone
;
|\\|`/`\`|`\O\/; H_(A-130,d-)#5_(A110,w+)`/c/\
`\`|//<`|>\/O`/|`/|d<`//>\
\/\O`\`|</CH3>`\\`/|`/d`\H2C\|CH3
\|`//<|>`\`/O/`|/`|d`\c\/

6. alpha-Terpineol

Molecular formula: C10H18O CAS# 98-55-5
Categories: Terpenoid , Alcohol
PubChem CID: 17100 | NSC 21449 | NSC 403665 | ChemSpider ID: 13850142
Names
English:
1,1-Dimethyl-1-(4-methylcyclohex-3-enyl)methanol
;
1-Menthene-8-ol
;
1-alpha-terpineol
;
1-p-Menthen-8-ol
;
2-(4-Methyl-3-cyclohexen-1-yl)-2-propanol
;
2-(4-Methyl-3-cyclohexenyl)-2-propanol
;
2-(4-Metil-1-cicloex-3-enil)propan-2-olo
;
2-(4-methylcyclohex-3-en-1-yl)propan-2-ol(IUPAC)
;
3-Cyclohexene-1-methanol, alpha,alpha,4-trimethyl-
;
3-Cyclohexene-1-methanol,a,a,4-trimethyl-
;
3-cyclohexene-1-methanol, α,α,4-trimethyl-
;
4-(2-Hydroxy-2-propyl)-1-methylcyclohexene
;
8-Hydroxy-p-menth-1-ene
;
CARVOMENTHENOL
;
EINECS:202-680-6
;
PC 593
;
Pine Oil 593
;
Terpineol
;
Terpineol 350
;
Terpineol schlechthin
;
a,a,4-Trimethyl-3-cyclohexene-1-methanol
;
alpha-Terpineol
;
dl-a-Terpineol
;
dl-alpha-Terpineol
;
p-Menth-1-en-8-ol
;
p-Menth-1-en-8-ol(8CI)
;
`\`|/<`|CH3>\\|`/|<`/H3C><|OH>\CH3
OH|<`-><->|\|`//<|>`\`|/
-\`//<\CH3>`-`\/`\<_q4H3C><_p4CH3>_(a0)HO
|\\|`/<`\`|/>|<`/><_(a20)>\OH

7. beta-Carotene

Molecular formula: C40H56 CAS# 7235-40-7
Categories: Carotenoid
PubChem CID: 5280489 | CB4148267 | ChemSpider ID: 4444129 | CHEBI:17579 | CHEMBL1293 | LipidMAPS: LMPR01070001 | MolPort-001-785-959
Names
English:
1,3,3-trimethyl-2-[(1E,3E,5E,7E,9E,11E,13E,15E,17E)-3,7,12,16-tetramethyl-18-(2,6,6-trimethylcyclohexen-1-yl)octadeca-1,3,5,7,9,11,13,15,17-nonaenyl]cyclohexene
;
Betacarotene
;
Carotaben, Solatene
;
E160a
;
Provatene
;
Provitamin A
;
beta,beta-Carotene(IUPAC)
;
beta-Carotene
;
β-Carotene
;
|<|CH3></CH3>`/`\`|/<`|CH3>\\/\\/<`|CH3>\\/\\/<`|CH3>\\/\\/\\<|CH3>/\\/\\<|CH3>/\\/\\<|CH3>/`|`\`/<`/H3C><`|H3C>|
`\`|`\:a`/|\/`|/\\/<`|>\\/\\/<`|>\\/\\/\\<|>/\\/\\<|>/\\/\:b/`|`\`/<`\>||;$slope(60)\#a/;/#b\

8. δ-carotene

Molecular formula: C40H56 CAS# 472-92-4
Categories: Carotenoid
PubChem CID: 5281230 | ChemSpider ID: 4904570 | CB41456642
Names
English:
delta-Carotene
;
δ-carotene
;
`\<`|`|dH>`//`\`|/:a\/\\/<`|>\\/\\/<`|>\\/\\/\\<|>/\\/\\<|>/\\/\\<|>/`|`\`//<_(A-170)>_(A-120);$slope(60)\#a/

9. Lutein

Molecular formula: C40H56O2 CAS# 127-40-2
Categories: Carotenoid
PubChem CID: 5281243 | CHEBI:28838
Names
English:
(1R)-4-[(1E,3E,5E,7E,9E,11E,13E,15E,17E)-18-[(1R,4R)-4-hydroxy-2,6,6-trimethylcyclohex-2-en-1-yl]-3,7,12,16-tetramethyloctadeca-1,3,5,7,9,11,13,15,17-nonaenyl]-3,5,5-trimethylcyclohex-3-en-1-ol(IUPAC)
;
(3R,3'R,6'R)-Lutein
;
(3R,3'R,6'R)-β,ε-Carotene-3,3'-diol
;
(all-E)-Lutein
;
6'-Hydro-4',5'-dehydro-β-carotene-3,3'-diol
;
E 161b
;
E161
;
Lutein
;
XANTHOPHYLL
;
all-trans-(+)-Xanthophyll
;
all-trans-Lutein
;
all-trans-Xanthophyll
;
β,ε-Carotene-3,3'-diol, (3R,3'R,6'R)-(CAS)
;
β,ε-carotene-3,3'-diol
;
|<\>`//`\<`/dHO>`|/<_(A-45)><_(A-135)>\<_(y-.7,d+)H>/\\/<`|>\\/\\/<`|>\\/\\/\\<|>/\\/\\<|>/\\/`|/\</wOH>|`/<_(A45)><_(A135)>`\`|`\

10. γ-carotene

Molecular formula: C40H56 CAS# 472-93-5
Categories: Carotenoid
PubChem CID: 5280791 | CHEBI:27740 | LipidMAPS: LMPR01070260 | CB31180115 | ChemSpider ID: 4444349
Names
English:
AC1NQXLB
;
C05435
;
CPD1F-126
;
GAMMA-CAROTENE
;
beta,psi-Carotene
;
γ-carotene
;
`\`|`\:a`/|\/`|/\\/<`|>\\/\\/<`|>\\/\\/\\<|>/\\/\\<|>/\\/\\<|>/`|`\`//<_(A-170)>_(A-120);$slope(60)\#a/

11. Retinol

Molecular formula: C20H30O
Categories: Antioxidant , Vitamin , Terpenoid
PubChem CID: 445354
Names
English:
(2E,4E,6E,8E)-3,7-dimethyl-9-(2,6,6-trimethylcyclohex-1-enyl)nona-2,4,6,8-tetraen-1-ol(IUPAC)
;
Alphalin
;
Alphasterol
;
Axerophthol
;
Oleovitamin A
;
Ophthalamin
;
Retinol
;
Vitamin A
;
Vitamin A1
;
all-trans-Retinol
;
trans-retinol
;
CH3`\`|`\<_(A-60)CH3><_(A-120)H3C>`/|\/`|/\\/<`|CH3>\\/\\/<`|CH3>\\/\OH

12. Linalyl acetate

Molecular formula: C12H20O2 CAS# 115-95-7
Categories: Ester , Terpenoid
PubChem CID: 8294 | NSC 2138 | ChemSpider ID: 13850082
Names
English:
(.+-.)-Linaloyl acetate
;
(.+-.)-Linalyl acetate
;
1,5-Dimethyl-1-vinyl-4-hexenyl acetate
;
1,6-Octadien-3-ol, 3,7-dimethyl-, 3-acetate
;
1,6-Octadien-3-ol, 3,7-dimethyl-, acetate(CAS)
;
3,7-Dimethyl-1,6-octadien-3-yl acetate
;
3,7-Dimethylocta-1,6-dien-3-yl acetate(IUPAC)
;
3-Acetoxy-3,7-dimethyl-1,6-octadiene
;
ACETATE, 3,7-DIMETHYL-1,6-OCTADIEN-3-YL
;
Acetate de linalyle
;
Acetic acid linalool ester
;
Bergamiol
;
Bergamol
;
Bergamot mint oil
;
LINALYL ACETATE SYNTHETIC
;
Linalool acetate
;
Linalyl acetate [Wiki]
;
Linalylacetat
;
acetato de linalilo
;
dl-Linalool acetate
;
/<`|>\\/\/:a\//; `-<`\\O>`/O\#a_(A-60)
/<\>`||`\`|/<`|><\||>_(A-30)O-C<`||O>-CH3
/<\>`||`\`|/<`|><\||>/O`|/O`/`\
H3C-</CH3>\\-\-<`|CH3><|\\CH2>-O/<`\\O>-CH3

13. Linalool

Molecular formula: C10H18O CAS# 78-70-6
Categories: Alcohol , Terpenoid
PubChem CID: 6549 | ChemSpider ID: 13849981 | CB5347184 | CHEBI:17580 | CHEMBL25306 | MolPort-001-783-101
Names
English:
(+-)-Linalool
;
1,6-Octadien-3-ol, 3,7-dimethyl-(CAS)
;
3,7-dimethylocta-1,6-dien-3-ol(IUPAC)
;
LINALYL ALCOHOL
;
Linalol
;
Linalool [Wiki]
;
allo-Ocimenol
;
beta-Linalool
;
p-Linalool
;
H3C/<\CH3>`||`\`|/<_(A-120)H3C><_(A-60)OH>\||CH2
\\/<_(A-120)HO><_(A-60)>\/\//<`|>\
/<\>`||`\`|/c/OH; \#-3\||
H3C-</CH3>\\`/\`/<_q4OH><_p4H3C>`/`=H2C

14. 3-Bromocamphor

Molecular formula: C10H15BrO CAS# 76-29-9
Categories: Organobromides , Pharmaceutical drug , Terpenoid
PubChem CID: 6438
Names
English:
(+)-3-Bromocamphor
;
2-Bornanone,3-bromo- (7CI,8CI)
;
2-bromo-4,7,7-trimethylbicyclo[2.2.1]heptan-3-one(IUPAC)
;
3-Bromo-1,7,7-trimethylbicyclo[2.2.1]heptan-2-one
;
3-Bromo-2-bornanone
;
3-Bromo-d-camphor
;
3-Bromobornan-2-one
;
3-Bromocamphor
;
Bicyclo[2.2.1]heptan-2-one,3-bromo-1,7,7-trimethyl-(CAS)
;
Camphor bromide
;
Camphor, 3-bromo- (6CI)
;
Camphor, 3-bromo-, d-
;
Camphorbromide
;
bromocamphor
;
d-alpha-Bromocamphor
;
`/_(A120)/_(y-1.5,x.2):a_#1\</Br>_(A120)<_(A60,L.8,N2)O>`\_(A120);_(A60)#a_q3
CH3|_(x1.4,y.6)<//O>|<\Br>_(x-1.4,y.6)_(x-1.4,y-.6)`|_(x1.4,y-.6)_(x-.8,y1.1):a_(x.8,y1.1);CH3_(x-.8,y.4)#a_(x.8,y.4)CH3
$L(1.2)-_(A45,W+)_(A-180)_(A150)<_(A105,w0)Br>_(A-135,W-)<_(A-165,N2)O>_#1<`\dH3C>_(A-70)\w#4;H3C\#-2/CH3
|\/O`/|<\Br>`/`\`|/_(y1,x.2)<_(x-.7,y-.2)><_(x.5,y-.2)>_(y1,x-.2)

15. Auraptene

Molecular formula: C19H22O3 CAS# 495-02-3
Categories: Coumarins , Terpenoid , Ether
PubChem CID: 1550607 | ChemSpider ID: 1267148 | CHEMBL307341
Names
English:
2H-1-Benzopyran-2-one, 7-((3,7-dimethyl-2,6-octadienyl)oxy)-, (E)-
;
2H-1-Benzopyran-2-one, 7-[(3,7-dimethyl-2,6-octadienyl)oxy]-, (E)-
;
2H-1-Benzopyran-2-one,7-[[(2E)-3,7-dimethyl-2,6-octadien-1-yl]oxy]-(CAS)
;
7-Geranyloxycoumarin
;
7-[(2E)-3,7-dimethylocta-2,6-dienoxy]chromen-2-one(IUPAC)
;
AC1LT3MK
;
Aurapten
;
Auraptene [Wiki]
;
Bio-0625
;
MLS001049098
;
UPCMLD-DP061
;
\<|>//\/\<|>//\/O\||\//`|<`\\`/>/O\/O`/|`//`\
H3C/<`|CH3>\\/\/<`|CH3>\\/\O/\\/`|/\\|\O`\`/O`\`|`\`//|

16. Callicarpenal

Molecular formula: C16H26O CAS# 161105-12-0
Categories: Aldehyde , Terpenoid
PubChem CID: 11107286 | ChemSpider ID: 9282422 | CHEMBL2229006
Names
English:
(-)-Callicarpenal
;
1-Naphthaleneacetaldehyde, 1,2,3,4,4a,7,8,8a-octahydro-1,2,4a,5-tetramethyl-, (1S,2R,4aR,8aR)-(CAS)
;
13,14,15,16-Tetranor-3-cleroden-12-al
;
2-[(1S,2R,4aR,8aR)-1,2,4a,5-tetramethyl-2,3,4,7,8,8a-hexahydronaphthalen-1-yl]acetaldehyde(IUPAC)
;
Callicarpenal
;
[(1S,2R,4aR,8aR)-1,2,4a,5-Tetramethyl-1,2,3,4,4a,7,8,8a-octahydro-1-naphthalenyl]acetaldehyde(IUPAC)
;
`/<|>`\\`|/\<`|wH>|<|d>\/`|</d>`\<_(A-45,w+)_q6_pp6O><_(A-100,d+)>`/
\/\|`//<|>`\<|w><`|c`|dH>`/`\`|<`\w>/<_(A-65,w+)>_(A-130)_p6<_p6H>_qq6O
$itemColor1(gray)H_(y.9,d-)|`/`\`|<`\wH3C><_(y-.7)$itemColor1(gray)H>_(A-30)<_(A-60,L1.1,w+)CH3><`\/=O>\/\|`//<|CH3>`\|wH3C

17. Squalene

Molecular formula: C30H50 CAS# 111-02-4
Categories: Alkene , olefin , Terpenoid
PubChem CID: 638072 | CHEBI:15440
Names
English:
(6E,10E,14E,18E)-2,6,10,15,19,23-hexamethyltetracosa-2,6,10,14,18,22-hexaene(IUPAC)
;
(E,E,E,E)-Squalene
;
2,6,10,14,18,22-Tetracosahexaene, 2,6,10,15,19,23-hexamethyl-, (2E,6E,10E,14E,18E)-(CAS)
;
2,6,10,14,18,22-Tetracosahexaene, 2,6,10,15,19,23-hexamethyl-, (all-E)-
;
2,6,10,15,19,23-Hexamethyltetracosa-2,6,10,14,18,22-hexaene
;
All-trans-Squalene
;
EINECS 203-826-1
;
Spinacene
;
Squalene
;
Supraene
;
trans-Squalene
;
/<`|>\\/\/<`|>\\/\/<`|>\\/\/\\<|>/\/\\<|>/\/\\<|>/
`\<`/>`\\`|/\<`|>||\/`|<\>`\\`|/\||<\>-`|`\`||<`\>/\/\\<|>/

18. Neoxanthin

Molecular formula: C40H56O4 CAS# 14660-91-4
Categories: Carotenoid
PubChem CID: 5281247 | ChemSpider ID: 4444659 | CB1208506 | CHEBI:25501 | CHEBI:32446 | LipidMAPS: LMPR01070290
Names
English:
(3S,3'S,5R,5'R,6'S)-6,7-Didehydro-5,5',6,6'-tetrahydro-5',6'-epoxy-β,β-carotene-3,3',5-triol(IUPAC)
;
(3S,5R,6R,3'S,5'R,6'S)-6,7-didehydro-5',6'-epoxy-5,6,5',6'-tetrahydro-β,β-carotene-3,5,3'-triol
;
Foliaxanthin
;
Neoxanthin [Wiki]
;
Trolliflor
;
Trollixanthin
;
all-trans Neoxanthin
;
β,β-Carotene, 6,7-didehydro-5',6'-epoxy-5,5',6,6'-tetrahydro-3,3',5-trihydroxy-, (3S,3'S,5R,5'R,6R,6'S,9'-cis)-
;
β,β-Carotene-3,3',5-triol, 6,7-didehydro-5',6'-epoxy-5,5',6,6'-tetrahydro-, (3S,3'S,5R,5'R,6'S)-(CAS)
;
_(A-150,w-)_(A-30,d+)O_(A-150,d-)|`/`\<`/wHO>`|/<_(A-120)><_(A-60)>\/w\\/<`|>\\/\\/<`|>\\/\\/\\<|>/\\/\\<|>/\\C\\/<_(A-120)><_(A-60)>\|<\dOH>`/`\<_(a-90,w+)HO><_(a-30,d+)>`|

19. Astaxanthin

Molecular formula: C40H52O4 CAS# 472-61-7
Categories: Carotenoid
PubChem CID: 5281224 | ChemSpider ID: 4444636 | CHEBI:40968 | CHEMBL1255871 | SCHEMBL20047 | LipidMAPS: LMPR01070263 | CB72629082
Names
English:
(3S,3'S)-3,3'-Dihydroxy-β,β-carotene-4,4'-dione(IUPAC)
;
(3S,3'S)-Astaxanthin
;
(3S,3'S)-all-trans-Astaxanthin
;
(6S)-6-hydroxy-3-[(1E,3E,5E,7E,9E,11E,13E,15E,17E)-18-[(4S)-4-hydroxy-2,6,6-trimethyl-3-oxocyclohexen-1-yl]-3,7,12,16-tetramethyloctadeca-1,3,5,7,9,11,13,15,17-nonaenyl]-2,4,4-trimethylcyclohex-2-en-1-one(IUPAC)
;
AXT
;
Aquasta
;
AstaREAL
;
AstaXin
;
Astared
;
Astaxanthin [Wiki]
;
Astots 5O
;
BioAstin
;
Carophyll Pink
;
Lucantin Pink
;
NatuRose
;
Natupink
;
`\`|`\<_(A-60)><_(A-120)>`/|<`/wHO>\|O`|/`|/\\/<`|>\\/\\/<`|>\\/\\/\\<|>/\\/\\<|>/\\/`|/`|O|\</wOH>|`/<_(A60)><_(A120)>`\`|`\

20. Carvone

Molecular formula: C10H14O CAS# 99-49-0
Categories: Terpenoid
PubChem CID: 7439 | ChemSpider ID: 21106424
Names
English:
.alpha.-Carvone
;
1-Carvone
;
2-Cyclohexen-1-one, 2-methyl-5-(1-methylethenyl)-
;
2-Methyl-5-(prop-1-en-2-yl)cyclohex-2-en-1-on
;
2-Methyl-5-isopropenyl-2-cyclohexenone
;
2-methyl-5-(prop-1-en-2-yl)cyclohex-2-en-1-one
;
2-methyl-5-prop-1-en-2-ylcyclohex-2-en-1-one(IUPAC)
;
5-Isopropenyl-2-methyl-2-cyclohexen-1-one
;
Carvone
;
DL-carvone
;
EINECS:229-352-5
;
Karvon
;
carvol
;
p-Mentha-6,8-dien-2-one
;
\|`//<|>`\`/O/`|/`|`\c\/
|`/`\\<`/H3C>`|`\O\/\/`|CH2|\CH3
H3C/\CH2`\`|`\`|//<`|CH3>\/O`/|`/