Ethyl 4,5-O-isopropylidene-(S)-4,5-dihydroxypentanoate

(2S)-pentane-1,2,5-triol

2,2-二甲氧基丙烷

4,5-异亚丙基-2-戊酸-(S)-甲酯

(S)-(+)-5-氧代-2-四氢呋喃羧酸