10-Oxo Buprenorphine

Chemical Name: (4S,4aS,6R,7R,7aR,12bS)-3-(cyclopropylmethyl)-9-hydroxy-6-((S)-2-hydroxy-3,3-dimethylbutan-2-yl)-7-methoxy-1,2,3,4,5,6,7,7a-octahydro-4a,7-ethano-4,12-methanobenzofuro[3,2-e]isoquinolin-13-one

Smile: O=C1[C@@]2([H])N(CC3CC3)CC[C@@]45[C@@](CC6)2C[C@H](C(C(C)(C)C)(O)C)[C@@]6(OC)[C@]4([H])OC7=C(O)C=CC1=C57