Buprenorphine EP Impurity G

Chemical Name: 17,17′-di(cyclopropylmethyl)-4,5α;4′,5α′-diepoxy-7α,7α′-di[(1S)-1-hydroxy-1,2,2-trimethylpropyl]-6,6′-dimethoxy-2,2′-bi(6α,14-ethano-14α-morphinan)-3,3′-diol (as per EP)

Synonym: 2,2′-bibuprenorphine (EP)

Smile: OC1=C2O[C@]3([H])C4(CCN5CC6CC6)C2=C(C=C1C(C(O)=C7O8)=CC9=C7C%10(CCN%11CC%12CC%12)[C@]8([H])C%13(OC)CCC%10(CC%13([H])[C@](C)(O)C(C)(C)C)[C@@]%11([H])C9)C[C@]5([H])C4%14CCC3(OC)C([C@](C)(O)C(C)(C)C)([H])C%14