2,4,6-trioxo-1,3-diazinane-5-carbaldehyde

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

5-[(4-甲氧基苯基)亚甲基]巴比妥酸

5-(4-methoxyphenyl)-1H,1'H-spiro[furo[2,3-d]pyrimidine-6,5'-pyrimidine]-2,2',4,4',6'(3H,3'H,5H)-pentaone

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