(S)-(+)-γ-三苯甲基甲氧基-γ-丁内酯

2,3-O-(thiocarbonyl)-5-O-(triphenylmethyl)-D-ribono-1,4-lactone

3,4-O-(R)-benzylidene-2-deoxy-D-erythro-ribono-1,5-lactone

(3aR,7R,7aS)-7-hydroxy-2-phenyl-3a,4,7,7a-tetrahydro-[1,3]dioxolo[4,5-c]pyran-6-one

D-(+)-核糖酸-gamma-内酯