8-[(1E)-2-(3,4-二甲氧基苯基)乙烯基]-1,3-二乙基-3,9-二氢-1H-嘌呤-2,6-二酮

1-苯基-1-(2-吡啶基)-3-二甲氨基丙烷马来酸盐

3-(dimethylamino)-5,7-diethyl-[1,2]thiazolo[3,4-d]pyrimidine-4,6-dione

3-[bis(2-hydroxyethyl)amino]-5,7-diethyl-[1,2]thiazolo[3,4-d]pyrimidine-4,6-dione