1-苄基-4-哌啶酮-3-羧酸乙酯

尿素

1-苄基-3-乙氧羰基-4-哌啶酮盐酸盐

4-ethoxy-5,6,7,8-tetrahydro-6-(phenylmethyl)-pyrido(4,3-d)pyrimidin-2(1H)-one

1-苄基-3-甲氧基羰酰-4-哌啶酮