2-(二甲基氨基)-4-苯基-4H-1,3-恶嗪-5-甲醛

1,1,2-trimethylguanidine

2-苯基-4-[3H]喹唑啉酮

2-(dimethylamino)-1,3-oxazol-4-one

2,6-bis(dimethylamino)-1,3,5-thiadiazin-4-one