N-Nitroso Buprenorphine EP Impurity B

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

Synonym: N-Nitroso Norbuprenorphine

Smile: OC1=C2C3=C(C=C1)C[C@](N(N=O)CC4)([H])[C@@]5(C[C@@]6([C@](C)(O)C(C)(C)C)[H])[C@]34[C@](O2)([H])[C@@]6(OC)CC5