| 英文同义词: | 3-Methyl-1-oxo-1,5-dihydropyrido[1,2-a]benzimidazole-4-carbonitrile;1-hydroxy-3-methylpyrido[1,2-a]benzimidazole-4-carbonitrile;11-methyl-13-oxo-1,8-diazatricyclo[7.4.0.0^{2,7}]trideca-2(7),3,5,9,11-pentaene-10-carbonitrile;Pyrido[1,2-a]benzimidazole-4-carbonitrile, 1,5-dihydro-3-methyl-1-oxo-;1,5-Dihydro-3-methyl-1-oxopyrido[1,2-a]benzimidazole-4-carbonitrile |