2-benzoylamino-3-(1',2',4'-oxadiazolyl-3')pyridine

2-氨基-3-氰基吡啶

苯甲酰氯

4-amino-2-phenylpyrido[2,3-d]pyrimidine-3-oxide

2-(benzoylamino)pyridine-3-carboxamide oxime