4-(吗啉基亚甲基)-1,3-二苯基-2-吡唑啉-5-酮

4-[(6-氯-2-吡嗪基)羰基]吗啉

dimethyl 2-morpholin-4-ylbut-2-enedioate

8-(吗啉-4-基)-5-硝基喹啉

4-(2-chloro-1,1,2-trifluoroethyl)morpholine