5-（苄氧基-2-（羟甲基)-4H-吡喃-4-酮

5-[4,5-双(苯甲氧基)-2-吡啶基]-1,3,4-恶二唑-2(3H)-酮

[6-(hydroxymethyl)-4-oxopyran-3-yl] 2-methylpropanoate

5-(4-甲氧基苄氧基)-2-(羟基甲基)-4H-吡喃-4-酮

2-(hydroxymethyl)-5-[(4-methoxyphenyl)methoxy]-1H-pyridin-4-one