1,2,3,5-tetra-O-acetyl-α-L-ribofuranose

1,1,2,3,4,5-hexa-O-acetyl-aldehydo-L-ribose

2-乙酸异山梨醇酯

(3R,3aR,6S,6aR)-6-hydroxyhexahydrofuro[3,2-b]furan-3-yl acetate