4-[2-(3,4,5-trimethoxyphenyl)-1,3-dithian-2-yl]-5-(trityloxymethyl)oxolan-2-one

(4S,5S)-5-(hydroxymethyl)-4-[(3,4,5-trimethoxyphenyl)methyl]oxolan-2-one

(2S,3S,4S)-4-(1,3-benzodioxol-5-ylmethyl)-3-[(3,4,5-trimethoxyphenyl)methyl]pentane-1,2,5-triol