4-(3-甲基-1-丁烯基)-吗啉

4-(3-甲基-1-氧代-2-丁烯基)吗啉

(2,5-dimethoxyphenyl)-morpholin-4-ylmethanethione

(4-methoxy-2-prop-2-enoxyphenyl)-morpholin-4-ylmethanone

4-(morpholin-4-yldiselanyl)morpholine