5(6)-(4-(2-Pyridylpiperazino)carbamoyl)benzimidazole-2-carbamate methyl ester 93522-20-4 Carbamic acid, (5-(((4-(2-pyridinyl)-1-piperazinyl)carbonyl)amino)-1H-benzimidazol-2-yl)-, methyl ester Cdri 81-470 Compound 81-470 Methyl 5(6)-4-2-pyridyl piperazino carbamoyl benzimidazole-2-carbamate