4,6-dimethyl-2-[α-pyridyl]-1,2,3,4-tetrahydroquinoline

4-N-p-methylphenylamino-4-[α-pyridyl]-1-butene

吡啶-2-甲醛

(E)-4-methyl-N-(( pyridin-2-yl)methylene)aniline

对甲苯胺