ethyl 4-chloro-2-(dimethylamino)pyrimidine-5-carboxylate

methyl 2-(dimethylamino)-4-methoxypyrimidine-5-carboxylate

2-(二甲基氨基)-6-氧代-1,6-二氢嘧啶-5-羧酸乙酯

1,4-二氢-2-甲巯基-4-氧代-5-嘧啶甲酸乙酯

(1-苄基吡咯烷-2-基)甲胺