3-硝基-4-吡啶乙酸乙酯

ethyl 2-(3-aminopyridin-4-yl)acetate

2-甲基吡啶并噁唑

3-氨基-4,5-二氯吡啶

3-(phenoxymethyl)pyrido[3,4-e][1,2,4]triazine