5-乙基-1-甲基-5-戊基巴比妥酸

1-methyl-1,3,5-triazinane-2,4,6-trione

5,5-diethyl-6-imino-1-methyl-1,3-diazinane-2,4-dione

3-methyl-5-hydroxy-imidazoline-2,4-dione

5-羟基-1-甲基咪唑啉-2,4-二酮