methyl 5-hydroxy-2-oxocyclohexane-1-carboxylate

4-hydroxy-2-oxabicyclo[2.2.2]octan-3-one

4-羟基-4-甲基环己酮

4-氧代环己烷-1-醇对甲苯磺酸酯

[3-[2-(2,6-二氧代哌啶-4-基)-1-羟基-乙基]-1,5-二甲基-4-氧代-环己基]乙酸酯