1,3-Diphenyl-2,4,6(1H,3H,5H)-pyrimidinetrione

5-乙基-1,3-二甲基巴比妥酸

2-乙烯基-2,6,6-三甲基四氢-2H-吡喃

2-(2-hydroxyphenyl)butanedioic acid

2-(4-(溴甲基)苯基)乙酸乙酯