1,3-dimethyl-5-[(3-nitrophenyl)methylidene]-1,3-diazinane-2,4,6-trione

1,1’,3,3’-tetramethyl-5-(3-nitrophenyl)-1,5-dihydro-2H,2’H-spiro[furo[2,3-d]pyrimidine- 6,5’-pyrimidine]-2,2’,4,4’,6’(1’H,3H,3’H)-pentone

1,3-dimethyl-6-(methylamino)-5-nitrosopyrimidine-2,4-dione

6-甲氨基-1,3-二甲基脲嘧啶

6-丁基氨基-1,3-二甲基尿嘧啶