(2R,3S,4S)-3-hydroxy-2-(phenoxythiocarbonyl)oxy-5-trityloxy-4-pentanolide

(2S,3R,4R,5R)-3,5-bis(methoxymethoxy)-5-(3,4-methylenedioxyphenyl)-4-pivaloyloxymethyl-1-trityloxy-2-pentanol

5-O-trityl-α-L-arabinose

(2R,3R,4S)-2,3-dihydroxy-5-trityloxy-4-pentanolide