英文别名
1,3-Dimethyl-2,4-dioxo-6-carbethoxy-7-methyl-1,2,3,4,-tetrahydropyrido<2,3-d>-pyrimidine;ethyl 1,3,7-trimethyl-2,4-dioxo-1,2,3,4-tetrahydropyrido[2,3-d]pyrimidine-6-carboxylate;6-ethoxycarbonyl-1,3,7-trimethylpyrido<2,3-d>pyrimidine-2,4(1H,3H)-dione;Ethyl 1,3,7-trimethyl-2,4-dioxopyrido[2,3-d]pyrimidine-6-carboxylate