4-methyl-2-[(4-methylpyridin-2-yl)diselanyl]pyridine

2-(1-methylpyridin-4-ylidene)indene-1,3-dione

4-[2-(4-甲氧基苯基)乙基]-吡啶

1-benzyl-4-methylpyridin-1-ium,bromide

1-p-Methylphenyl-2-imidazolidinon