1-(((1,2-Dihydro-5,6,17,19,21-pentahydroxy-23-methoxy-2,4,12,16,18,20,22-heptamethyl-1,11-dioxo-2,7-(epoxypentadeca(1,11,13)trienimino)naphtho(2,1-b)furan-9-yl)oxy)acetyl)-1H-azepine 21-acetate 13929-37-8 1H-Azepine, 1-(((1,2-dihydro-5,6,17,19,21-pentahydroxy-23-methoxy-2,4,12,16,18,20,22-heptamethyl-1,11-dioxo-2,7-(epoxypentadeca(1,11,13)trienimino)naphtho(2,1-b)furan-9-yl)oxy)acetyl)-, 21-acetate Azepine, hexahydro-1-(((1,2-dihydro-5,6,17,19,21-pentahydroxy-23-methoxy-2,4,12,16,18,20,22-heptamethyl-1,11-dioxo-2,7-(epoxypentadeca(1,11,13)trienimino)naphtho(2,1-b)furan-9-yl)oxy)acetyl)-, 21-acetate BRN 5418590 NCI 143-440 NSC 143440 Rifamycin B azepinide Rifamycin, 4-O-(2-(hexahydro-1H-azepin-1-yl)-2-oxoethyl)- (9CI)