英文别名rifampicin N-oxide; N-OXIDORIFAMPICIN; RIFAMPIN N-OXIDE; Rifampicin N-4’Oxide; Rifampicin EP Impurity B; Rifamycin, 3-[[(4-methyl-4-oxido-1-piperazinyl)imino]methyl]-; (7S,9Z,11S,12R,13S,14R,15R,16R,17S,18S,19Z,21Z,26E)-2,15,17,23,29-Pentahydroxy-26-{[hydroxy(4-methyl-1-piperazinyl)amino]methylene}-11-methoxy-3,7,12,14,16,18,22-heptamethyl-6,27-dioxo-8,30-dioxa-24-azatetracyclo[23.3.1.14,7.05,28]triaconta-1(28),2,4,9,19,21,23,25(29)-octaen-13-yl acetate 
