2-甲基-5,6,7,8-四氢-3H-喹唑啉-4-酮

ethyl 2-pyrrolidin-1-ylcyclohexene-1-carboxylate

ethyl 2-(1-pyrrolidinyl) 2-cyclohexenecarboxylate

6-甲氧基-1,2,3,4-四氢吖啶-9-胺

2,4-二氧代-1,3-二氮杂螺[4.5]癸烷-6-羧酸乙酯