N,N'-dihydroxybenzimidazolinone

3,4-二氢-7-甲基-1,4-氧氮杂卓-5(2H)-酮

1-(4,5-二氢-2-恶唑基)-2-丙酮

1-(2-hydroxyethyl)-4,6-dimethylpyridin-2-one