O-.BETA.-D-GLUCOPYRANOSYL-(1->4)-O-3-O-(HYDROXY(2-HYDROXY-1-(HYDROXYMETHYL)ETHOXY)PHOSPHINYL)-.BETA.-D-GALACTOPYRANOSYL-(1->4)-6-DEOXY-.BETA.-L-MANNOPYRANOSE
o-.beta.-d-glucopyranosyl-(1->4)-o-3-o-(hydroxy(2-hydroxy-1-(hydroxymethyl)ethoxy)phosphinyl)-.beta.-d-galactopyranosyl-(1->4)-6-deoxy-.beta.-l-mannopyranose