5-[methyl 2,3-di-O-benzyl-4-O-levulinoyl-α-D-glucopyranosid-6-yloxymethyl]-2-methylbenzoic acid

5-[(2R,3R,4S,5R,6S)-4,5-Bis-benzyloxy-6-methoxy-3-(4-oxo-pentanoyloxy)-tetrahydro-pyran-2-ylmethoxymethyl]-2-methyl-benzoic acid (2R,4aR,6S,7R,8S,8aR)-7-benzyloxy-6-ethylsulfanyl-2-phenyl-hexahydro-pyrano[3,2-d][1,3]dioxin-8-yl ester