Acetic acid, [[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]-, 21-acetate, 2,2-dipropyl-1-methylhydrazide

Rifamycin B diethylmethylhydrazide

利福霉素 B 乙酰胺

Rifamycin B dipropylethylhydrazide

Acetic acid, [[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]-, 21-acetate, 1,2,2-triethylhydrazide