5,6-二羟基-5-甲基-1,3-二嗪农-2,4-二酮

5-bromo-6-hydroxy-5-methyl-1,3-diazinane-2,4-dione

2-氯-2-丙烯-1-醇

2-hydroxy-3-methylbut-3-enoic acid

2,2-diethoxypropan-1-ol