InChI=1/C21H26N4O7S/c1-3-10-29-21(27)23-17-16(24-25-22)18-14(31-20(17)33-11-9-15(26)28-2)12-30-19(32-18)13-7-5-4-6-8-13/h3-8,14,16-20H,1,9-12H2,2H3,(H,23,27 methyl 3-[(2-{[(allyloxy)carbonyl]amino}-3-azido-4,6-O-benzylidene-2,3-dideoxyhexopyranosyl)thio]propanoate propanoic acid, 3-[[3-azido-2,3-dideoxy-4,6-O-(phenylmethylene)-2-[[(2-propenyloxy)carbonyl]amino]hexopyranosyl]thio]-, methyl ester