16784-08-0 Acetamide, 2-((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)-N-butyl-N-methyl-, 21-acetate Acetamide, N-butyl-2-((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)-N-methyl-, 21-acetate BRN 5418460 N-Butyl-2-((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)-N-methylacetamide 21-acetate NCI 143-432 NSC 143432 Rifamycin B butylmethylamide Rifamycin, 4-O-(2-(butylmethylamino)-2-oxoethyl)- (9CI)