(1S)-1-C-[(2S,3S)-7-{[4-O-acetyl-2,6-dideoxy-3-O-(2,6-dideoxy-4-O-methyl-alpha-D-lyxo-hexopyranosyl)-beta-D-lyxo-hexopyranosyl]oxy}-3-{[2,6-dideoxy-3-C-methyl-4-O-(2-methylpropanoyl)-alpha-L-arabino-hexopyranosyl-(1->3)-2,6-dideoxy-beta-D-arabino-hexopyra