(6-chloropyridin-2-yl)-diphenylphosphane

2,6-dichloro-N,N-dimethylpyridin-4-amine

4,6-二氯-1H-咪唑并[4,5-c]吡啶

2,6-吡啶二羧酸二乙酯

6-氯-2-吡啶羧酸乙酯