1-(2,4-dinitrophenyl)-4-methylpyridin-1-ium,chloride

1-(3-fluorophenyl)-2-pyridin-4-ylethanone

1-(4-甲氧基苯基)-2-(4-吡啶基)乙酮

(4-methylpyridine)BF3

PdCl2(4-MePy)2