英文别名Rifampicin Impurity 2; Rifampicin Impurity 10; Rifampicin 21-O-Acetyl Analog; Rifampicin Impurity 14; Rifampicin impurities14; (7R,9E,11R,12S,13R,14R,15S,16R,17S,18R,19E,21E)-2,13,15,27,29-Pentahydroxy-11-methoxy-3,7,12,14,16,18,22-heptamethyl-26-[(E)-(4-methylpiperazin-1-yl)iminomethyl]-6,23-dioxo-8,30-dioxa-24-azatetracyclo[23.3.1.14,7.05,28]triaconta-1(29),2,4,9,19,21,25,27-octaen-17-yl acetate 
