Rifamycin Impurity C

Chemical Name: [(2RS,2′S,12′Z,14′E,16′S,17′S,18′R,19′R,20′R,21′S,22′R,23′S,24′E)-5′,17′,19′-trihydroxy-23′-methoxy-2′,4′,12′,16′,18′,20′,22′-heptamethyl-1′,4,6′,11′-tetraoxo-1′,2′-dihydrospiro[1,3-dioxolane-2,9′(6′H)-[2,7](epoxypentadeca[1,11,13]trienazano)naphtho[2,1-b]furan]-21′-yl acetate

Smile: O=C1[C@](O/C=C/[C@]2([H])OC)(C)OC3=C1C4=C(C(O)=C3C)C(C(NC(/C(C)=C\C=C\[C@@](C)([H])[C@@](O)([H])[C@](C)([H])[C@](O)([H])[C@](C)([H])[C@@](OC(C)=O)([H])[C@@]2(C)[H])=O)=C[C@]45OCC(O5)=O)=O