英文名称: | 2':3,4]pyrido[1,2-a] benzimidazole-6-carbonitrile, 3-(diethylamino)-7-imino-7H-[1]Benzopyrano[3' | 7h-[1]benzopyrano[3',2':3,4]pyrido[1,2-a]benzimidazole-6-carbonitrile, 3-(dieth | ylamino)-7-imino- | solvent red 197 | 7H-[1]Benzopyrano[3',2':3,4]pyrido[1,2-a] benzimidazole-6-carbonitrile,3-(diethylamino)-7-imino- |
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