Molecular Formula: C₁₈H₁₉NO₃

Chemical Name
(-)-oripavine
(5α)-6,7,8,14-tetradehydro-4,5-epoxy-6-methoxy-17-methylmorphinan-3-ol
4,5α-epoxy-6-methoxy-17-methyl-morphina-6,8(14)-dien-3-ol
4,5α-epoxy-6-methoxy-17-methyl-morphina-6,8-dien-3-ol
Oripavin
oripavine

Molecular Formula: C₂₉H₄₁NO₄

Chemical Name
(2S)-2-[(-)-(5R,6R,7R,14S)-9α-cyclopropylmethyl-4,5-epoxy-6,14-ethano-3-hydroxy-6-methoxymorphinan-7-yl]-3,3-dimethylbutan
17-(cyclopropylmethyl)-α-(1,1-dimethylethyl)-4,5-epoxy-18,19-dihydro-3-hydroxy-6-methoxy-α-methyl-6,14-ethenomorphinan-7-m
21-cyclopropyl-7α-((S)-1-hydroxy-1,2,2-trimethylpropyl)-6,14-endoethano-6,7,8,14-tetrahydrooripavine
BPR
buprenorphine
TEMGESIC
[3H]-Buprenorphine

Molecular Formula: C₂₂H₂₅NO₄

Chemical Name
1-(4,5α-epoxy-3-hydroxy-6-methoxy-17-methyl-6α,14α-etheno-morphinan-7α-yl)-ethanone
1-[(5α,7α)-4,5-epoxy-3-hydroxy-6-methoxy-17-methyl-6,14-ethenomorphinan-7-yl]ethanone
O3-demethyl-thevinone

Molecular Formula: C₂₂H₂₇NO₄

Chemical Name
1-(4,5α-epoxy-3-hydroxy-6-methoxy-17-methyl-6α,14α-ethano-morphinan-7α-yl)-ethanone
1-[(5α,7α)-4,5-epoxy-18,19-dihydro-3-hydroxy-6-methoxy-17-methyl-6,14-ethenomorphinan-7-yl]ethanone
O3-demethyl-dihydro-thevinone

Molecular Formula: C₂₆H₃₇NO₄

Chemical Name
(19S)-19-tert-butyl-dihydro-northevinol
(6R,7R,14S)-7-[(2S)-2-hydroxy-3,3-dimethylbut-2-yl]-6,7,8,14-tetrahydro-6,14-ethano-17-northebaine
(S)-2-(4,5α-epoxy-3,6-dimethoxy-6α,14α-ethano-morphinan-7α-yl)-3,3-dimethyl-butan-2-ol
3-O-methyl-norbuprenorphine
7a-[(S)-1-hydroxy-1,2,2-trimethylpropyl]-6,14-endo-ethano-6,7,8,14-tetrahydronorthebaine
[5α,7α]-α-(1,1-dimethylethyl)-4,5-epoxy-18,19-dihydro-3,6-dimethoxy-α-methyl-6,14-ethenomorphinan-7-methanol

Molecular Formula: C₃₀H₄₃NO₄

Chemical Name
(5R,6R,7S,9R,13S,14S,20S)-17-Cyclopropylmethyl-α-(1,1-dimethylethyl)-4,5-epoxy-18,19-dihydro-3,6-dimethoxy-α-methyl-6,14-e
(S)-2-(17-cyclopropylmethyl-4,5α-epoxy-3,6-dimethoxy-6α,14α-ethano-morphinan-7α-yl)-3,3-dimethyl-butan-2-ol
buprenorphine 3-O-methyl ether
[5α,7α(S)]-17-(cyclopropylmethyl)-α-(1,1-dimethylethyl)-4,5-epoxy-18,19-dihydro-3,6-dimethoxy-α-methyl-6,14-ethenomorphina

Molecular Formula: C₃₀H₄₁NO₅

Chemical Name
17-cyclopropanecarbonyl-4,5α-epoxy-7α-((S)-1-hydroxy-1,2,2-trimethyl-propyl)-3,6-dimethoxy-6α,14α-ethano-morphinane
[5α,7α(S)]-17-(cyclopropylcarbonyl)-α-(1,1-dimethylethyl)-4,5-epoxy-18,19-dihydro-3,6-dimethoxy-6,14-ethenomorphinan-7-met

Molecular Formula: C₂₇H₃₉NO₄

Chemical Name
(19S)-19-tert-butyl-dihydro-thevinol
(S)-2-(4,5α-epoxy-3,6-dimethoxy-17-methyl-6α,14α-ethano-morphinan-7α-yl)-3,3-dimethyl-butan-2-ol
7a-[(S)-1-hydroxy-1,2,2-trimethylpropyl]-6,14-endo-ethano-6,7,8,14-tetrahydrothebaine
[5α,7α]-α-(1,1-dimethylethyl)-4,5-epoxy-18,19-dihydro-3,6-dimethoxy-α,17-dimethyl-6,14-ethenomorphinan-7-methanol
α-(1,1-dimethylethyl)-4,5-epoxy-18,19-dihydro-3,6-dimethoxy-α,17-dimethyl-6,14-ethenomorphinan-7-methanol

Molecular Formula: C₂₅H₃₅NO₄

Chemical Name
7a-[(S)-1-hydroxy-1,2,2-trimethylpropyl]-6,14-endo-ethano-6,7,8,14-tetrahydronororipavine
Norbuprenorphine
α-(1,1-dimethylethyl)-4,5-epoxy-18,19-dihydro-3-hydroxy-6-methoxy-α-methyl-6,14-ethenomorphinan-7-methanol

Molecular Formula: C₂₁H₂₃NO₅

Molecular Formula: C₂₅H₂₉NO₆

Chemical Name
1-[[5α,7α(S)]-4,5-epoxy-3-[(ethoxycarbonyl)oxy]-18,19-dihydro-6-methoxy-17-methyl-6,14-ethenomorphinan-7-yl]ethanone

Molecular Formula: C₂₅H₃₁NO₆

Molecular Formula: C₂₈H₃₉NO₅

Chemical Name
1-[(5α,7α)-3-methoxy-4,5-epoxy-18,19-dihydro-7-[(1S)-1-hydroxy-1,2,2-trimethylpropyl]-6-methoxy-6,14-ethenomorphinan-17-yl

Molecular Formula: C₂₇H₃₇NO₅

Chemical Name
[5α,7α]-17-acetyl-α-(1,1-dimethylethyl)-4,5-epoxy-18,19-dihydro-6-methoxy-α-methyl-6,14-ethenomorphinan-7-methanolamide

Molecular Formula: C₂₉H₄₁NO₆

Molecular Formula: C₃₂H₄₃NO₇

Chemical Name
[5α,7α(S)]-17-(cyclopropylcarbony)-α-(1,1-dimethylethyl)-4,5-epoxy-3-[(ethoxycarbonyl)oxy]-18,19-dihydro-6-methoxy-α-methy