2,3-O-bis-methyl-5,6-O-isopropylidene-L-ascorbic acid

Methyl 3,4-O-isopropylidene-2-O-(methoxaloyl)-L-threonate

1-((S)-2,2-dimethyl-1,3-dioxolan-4-yl)ethane-1,2-diol

5,6-O-异丙叉基-L-抗坏血酸

1-(2,2-dimethyl-1,3-dioxolan-4-yl)-3,3-bis(ethylsulfanyl)propane-1,2-diol