Synonyms: | Rifamycin W;3,25-Methano-1H-4-benzazacyclotricosine-1,5,21,26(4H,10H)-tetrone, 11,12,13,14,15,16,17,18-octahydro-11,13,15,17,22,24-hexahydroxy-18-(hydroxymethyl)-6,10,12,14,16,20,23-heptamethyl-, (6Z,8E,10S,11S,12R,13R,14R,15R,16R,17S,18R,19E)- |