2-(1-甲基哌啶-4-基)乙酸乙酯

1-甲基-4-(2-噻吩基)-1,2,3,6-四氢吡啶

4-(1-methylpiperidin-4-yl)-2,3-dihydro-1,4-benzoxazin-6-amine

4-(2,3-dimethoxyphenyl)-1-methylpiperidin-4-ol

4-(2,3-dimethoxyphenyl)-1-methyl-3,6-dihydro-2H-pyridine