103897-17-2 2-Benzamido-4-cyano-1-oxo-1H,5H-pyrido(1,2-a)benzimidazole BCOPB Benzamide, N-(4-cyano-1-oxo-1H-pyrido(2,1-b)benzothiazol-2-yl)- N-(4-Cyano-1-oxo-1H-pyrido(2,1-b)benzothiazol-2-yl)benzamide