p. 151 - 162
(2007/10/02)p. 4049 - 4052
(2007/10/02)2,5-di-O-benzyl-β-D-ribofuranosyl 2,3,4-tri-O-benzyl-5-O-monomethoxytrityl-D-ribitol
levulinic acid
mono-4-methoxytrityl chloride
((3aR,4R,6R,6aR)-6-methoxy-2,2-dimethyltetrahydrofuro[3,4-d][1,3]dioxol-4-yl)methanol
5-O-benzyl-1,2,3-tri-O-acetyl-D-ribofuranoside