(2S,3S,4R)-2-hydroxy-3,4-O-isopropylidene-11-octadecynyl 4,6-O-benzylidene-2,3-di-O-(4-methoxybenzyl)-α-D-galactopyranoside

(2S,3S,4R)-2-hydroxy-3,4-O-isopropylidene-11-octadecynyl 4,6-O-benzylidene-2,3-di-O-(4-methoxybenzyl)-β-D-galactopyranoside