1242076-43-2

Rifabutin Impurity 16 Resveratrol Impurity 33 25-O-desacetyl-23-Acetyl-Rifabutin 25-O-Deacetyl-23-O-acetyl Rifabutin 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, 18-(acetyloxy)-6,16,20-trihydroxy-14-methoxy-7,9,15,17,19,21,25-heptamethyl-1'-(2-methylpropyl)-, (9S,12E,14S,15S,16R,17S,18R,19R,20S,21S,22E,24Z)-