Synonyms: 2,7-(Epoxypentadeca[1,11,13]trienimino)naphtho[2,1-b]furan-1,11(2H)-dione,5,6,9,17,19,21-hexahydroxy-23-methoxy-2,4,12,16,18,20,22-heptamethyl-8-(N-1-piperazinylformimidoyl)-,21-acetate (7CI,8CI);2,7-(Epoxypentadeca[1,11,13]trienimino)naphtho[2,1-b]furan, rifamycin deriv.;3-Piperazinoiminomethyl rifamycin SV; 4-N-Demethylrifampicin; AF/AP;Demethylrifampicin; N-Demethylrifampicin; N-Demethylrifampin; NSC 143416;Rifampicin AF/AP