(2R,3R,4R)-2-(benzyloxy)-3,4,5-trihydroxypentanal

(1S,2S,E)-2-(benzyloxy)-5,5-dimethyl-1-((R)-1,4-dioxaspiro[4.5]decan-2-yl)hex-3-en-1-ol

羟乙醛

DL-甘油醛

(4S,1'R)-4-(1'-hydroxy-2',2'-dimethoxyethyl)-2,2-dimethyl-1,3-dioxan-5-one