(4R,5R)-4-hydroxy-5-(hydroxymethyl)dihydrofuran-2(3H)-one

(R)-2-羟基戊二酸

(3R,4S,5R)-5-((tert-butyldiphenylsilyloxy)methyl)-3,4-dihydroxydihydrofuran-2(3H)-one

(-)-5-O-(diphenyl-t-butylsilyl)-2,3-O-(thiocarbonyl)-D-ribono-1,4-lactone

4-戊烯酸乙酯