5-O-[(4-Methoxyphenyl)diphenylmethyl]-2,3,4-tris-O-(phenylmethyl)-D-ribitol 、
2,3,5-tri-O-acetyl-D-ribofuranosyl chloride 生成 [(2R,3R,4R,5R)-3,4-diacetyloxy-5-[(2S,3R,4R)-5-[(4-methoxyphenyl)-diphenylmethoxy]-2,3,4-tris(phenylmethoxy)pentoxy]oxolan-2-yl]methyl acetate