N-<2-O-<2-acetamido-4,6-O-benzylidene-N-(tert-butoxycarbonyl)-1,2,3,5-tetradeoxy-1,5-imino-D-glucitol-3-yl>-D-lactoyl>-L-alanyl-D-isoglutamine methyl ester
2-azido-4,6-O-benzylidene-N-(tert-butoxycarbonyl)-1,2,5-trideoxy-1,5-imino-D-glucitol
N-<2-O-<2-acetamido-4,6-O-benzylidene-N-(tert-butoxycarbonyl)-1,2,3,5-tetradeoxy-1,5-imino-D-glucitol-3-yl>-D-lactoyl>-L-alanyl-D-isoglutamine
trifluoroacetic acid