S-benzyl 2-[(2S,4S,5R)-5-[[bis(4-methoxyphenyl)-phenylmethoxy]methyl]-4-hydroxyoxolan-2-yl]ethanethioate 、 alkaline earth salt of/the/ methylsulfuric acid 生成 S-benzyl 2-[(2S,4S,5R)-5-[[bis(4-methoxyphenyl)-phenylmethoxy]methyl]-4-[2-cyanoethoxy-[di(propan-2-yl)amino]phosphanyl]oxyoxolan-2-yl]ethanethioate