7418-70-4
4-氯吡啶-3-羧胺
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65823-08-7
2-methyl-11-oxopyrido[2,1-b]quinazoline-8-carbonitrile
2941-78-8
2-氨基-5-甲基苯甲酸
65823-07-6
2-methyl-11-oxopyrido[2,1-b]quinazoline-8-carboxamide