5-(pyridin-4-ylmethylidene)-1,3-diazinane-2,4,6-trione

5-[[4-[二(2-氯乙基)氨基]苯基]亚甲基]-1,3-二嗪农-2,4,6-三酮

ethyl 7-(3-chlorophenyl)-2,4-dioxo-1,5,6,7-tetrahydropyrano[2,3-d]pyrimidine-6-carboxylate

ethyl 7-(4-methoxyphenyl)-2,4-dioxo-1,5,6,7-tetrahydropyrano[2,3-d]pyrimidine-6-carboxylate

ethyl 7-(4-nitrophenyl)-2,4-dioxo-1,5,6,7-tetrahydropyrano[2,3-d]pyrimidine-6-carboxylate