1-(2-氯-乙基)-3-吡啶-4-基-脲

2-吡啶甲酰胺

ethyl N-pyridin-4-ylmethanimidate

2-甲基硫基 [ 1,3 ] 恶唑酮[5,4-C]吡啶

(3,4-dimethoxyphenyl)-pyridin-4-yldiazene