Synonyms: PF-63;Rifamycin SV, 8-(piperidinomethyl)-;NSC 145609;BRN 5418030;NCI 145-609;2,7-(Epoxypentadeca(1,11,13)trienimino)naphtho(2,1-b)furan-1,11(2H)-dione, 5,6,9,17,19,21-hexahydroxy-2,4,12,16,18,20,22-heptamethyl-23-methoxy-8-(piperidinomethyl)-, 21-acetate;4267-47-4;LS-64227