14840-02-9 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, oxime 3-Formylrifamycin sv oxime AIDS-160069 AIDS160069 NCI 143-444 NSC143444 Rifamycin, {3-[(hydroxyimino)methyl]-} {2,7-(Epoxypentadeca[1,11,} {13]trienimino)naphtho[2,1-b]furan-8-carboxaldehyde,} 1,2-dihydro-5, 6,9,17,19,21-hexahydroxy-23-methoxy-2,4,12,16,18,20, 22-heptamethyl-1,11-dioxo-, 8-oxime, 21-acetate