2,7-(Epoxypentadeca(1,11,13)trienimino)naphtho(2,1-b)furan-1,11(2H)-dione, 3-formyl-5,6,9,17,19,21-hexahydroxy-23-methoxy-2,4,12,16,18,20,22-heptamethyl-, 21-acetate, O-octyloxime 3-(((Octyloxy)imino)methyl)rifamycin 3-Formylrifamycin SV O-n-octyloxime 3-Formylrifamycin SV O-octyloxime 35225-13-9 AF 013 BRN 5418601 NSC 143483 Rifampicin AF 013 Rifamycin, 3-(((octyloxy)imino)methyl)- (9CI)