114185-07-8
ethyl (2R)-2-[(1S)-3,3-dimethyl(2,4-dioxolanyl)]-2-hydroxyacetate
→
126946-55-2
ethyl (2rac,3S)-3,4-O-isopropylidene-2-chloro-3,4-dihydroxybutane
32233-43-5
(S)-4-(2-羟乙基)-2,2-二甲基-1,3-二氧戊环
32233-44-6
(4S)-2,2-二甲基-1,3-二氧戊环-4-乙醛