The molecule is an alpha-D-Manp-(1->6)-D-Manp-(1->4)-beta-D-GlcpNAc-(1->4)-D-GlcpNAc in which the dimannopyranosyl group is attached to the diacetylchitobiose moiety by beta-(1->4) glycosidic bond. It derives from a beta-D-Manp-(1->4)-beta-D-GlcpNAc-(1->4)-D-GlcpNAc.
N-[(3R,4R,5S,6R)-5-[(2S,3R,4R,5S,6R)-3-acetamido-4-hydroxy-6-(hydroxymethyl)-5-[(2S,3S,4S,5S,6R)-3,4,5-trihydroxy-6-[[(2S,3S,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxymethyl]oxan-2-yl]oxyoxan-2-yl]oxy-2,4-dihydroxy-6-(hydroxymethyl)oxan-3-yl]acetamide