L-苏糖酸

2,3,4-三羟基丁酸

(3aS,6aS)-4-(((tert-butyldiphenylsilyl)oxy)methyl)-2,2-dimethyl-3a,6a-dihydro-4H-cyclopenta[d][1,3]dioxol-4-ol

(1R,4S,5S)-(+)-4,5-O-isopropylidene-1-hydroxymethyl-2-cyclopenten-1-ol