| Synonyms: | Rifabutin EP Impurity E;25-O-Deacetyl Rifabutin;25-O-Deacetylrifamycin;25-Hydroxy Rifabutin;25-O-Desacetylrifabutin;Antibiotic LM 565;Rifabutin Impurity 5（Rifabutin EP Impurity E）;Spiro[9,4-(epoxypentadeca[1,11,13]trienimino)-2H-furo[2',3':7,8]naphth[1,2-d]imidazole-2,4'-piperidine]-5,10,26(3H,9H)-trione, 6,16,18,20-tetrahydroxy-14-methoxy-7,9,15,17,19,21,25-heptamethyl-1'-(2-methylpropyl)-, (9S,12E,14S,15S,16S,17R,18R,19R,20S,21S, |