Rifampicin EP Impurity B

Chemical Name: 3-[[(4-Methyl-4-oxido-1-piperazinyl)imino]methyl]rifamycin; 3-[[(4-methyl-1-piperazinyl)imino]methyl]rifamycin N-4’-Oxide

Synonym: NULL

Smile: OC1=C(C(NC(/C(C)=C\C=C\[C@@](C)([H])[C@@](O)([H])[C@](C)([H])[C@@]([H])(O)[C@](C)([H])[C@@](OC(C)=O)([H])[C@@](C)([H])[C@](OC)([H])/C=C/O[C@@](C2=O)(C)O3)=O)=C(O)C4=C1C2=C3C(C)=C4O)/C=N/N5CC[N+](C)([O-])CC5