(2R,3R,4R,5S,6R)-6-(hydroxymethyl)-5-(((2S,3R,4S,5R,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-2-yl)oxy)tetrahydro-2H-pyran-2,3,4-triol; .beta.-Lactose; 4-(beta-D-Galactosido)-D-glucose; 4-O-beta-D-Galactopyranosyl-beta-D-glucopyranose; 4-O-beta-D-Galactopyranosyl-D-glucose; beta-D-Glucopyranose, 4-O-beta-D-galactopyranosyl-; beta-D-Lactose; beta-Lactose; D-(+)-Lactose
