6-bromo-4-methyl-2-pyridin-3-yl-1,2,3,4-tetrahydroquinoline

4-methyl-2-pyridin-3-ylquinoline

4-methyl-8-propan-2-yl-2-pyridin-3-ylquinoline

5-(3'-羧基丙基)-2-吡啶羧酸

4-methyl-4-nitro-1-phenyl-3-pyridin-3-ylpentan-1-one