1-甲基-4-哌啶甲醛

1-甲基哌啶-4-甲酸盐酸盐

1-甲基哌啶-3-羧酸盐酸盐

1-甲基哌啶-4-甲酸

1-(1-methylpiperidin-4-yl)-2,2-diphenylethanone