4,5-bis(dimethylamino)cyclopent-4-ene-1,2,3-trione

(2E)-3-(Dimethylamino)-1-phenyl-2-buten-1-one

(2-氯-喹唑啉-4-基)-二甲胺

2-dimetylamino-4-methylthioquinazoline

4-dimethylamino-2-methylthioquinazoline