tributylstannyl pyridine-2-carboxylate

(4-nitrophenyl) pyridine-2-carboxylate

2-(4,5-二氢-1H-咪唑-2-基)-吡啶

2-吡啶-2-基喹啉-4-羧酸

3-氧代-3-(2-吡啶)丙酸甲酯