1. (2R,3S)-2,3,4-三羟基丁内酯2,3-环己基缩酮

(2R,3S)-2,3,4-三羟基丁内酯2,3-环己基缩酮

(2R,3S)-2,3,4-Trihydroxy-butyrolactone 2,3-Cyclohexyl Ketal