InChI=1/C34H39NO9S/c1-40-22-15-13-21(14-16-22)19-42-32-28(18-36)44-33(45-17-7-12-29(37)41-2)30(31(32)38)35-34(39)43-20-27-25-10-5-3-8-23(25)24-9-4-6-11-26(24)27/h3-6,8-11,13-16,27-28,30-33,36,38H,7,12,17-20H2,1-2H3,(H,35,39 butanoic acid, 4-[[2-deoxy-2-[[(9H-fluoren-9-ylmethoxy)carbonyl]amino]-4-O-[(4-methoxyphenyl)methyl]hexopyranosyl]thio]-, methyl ester methyl 4-{[2-deoxy-2-{[(9H-fluoren-9-ylmethoxy)carbonyl]amino}-4-O-(4-methoxybenzyl)hexopyranosyl]thio}butanoate