7-{[(2S,3R,4R,5S,6R)-3,4-dihydroxy-6-(hydroxymethyl)-5-{[(2S,3R,4S,5R,6r)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy}oxan-2-yl]oxy}-4-methyl-2H-chromen-2-one

4-methylumbelliferyl-beta-d-lactoside, f or fluorescence ; 4-methylumbelliferyl beta-d-lactopyranoside ; 4-methylumbelliferyl-beta-d-lactoside ; 4-methylumbelliferyl--d-lactoside ; 4-mu-beta-d-lactoside ; 4-methylumbelliferyl β-d-lactopyranoside ,98% ; galβ1-4glcβmu ; 7-[(4-o-beta-d-galactopyranosyl-beta-d-glucopyranosyl)oxy]-4-methyl-2h-1-benzopyran-2-one ; 4-methylumbelliferyl β-d-lactopyranoside ; 4-methylumbelliferyl-b-d-lactoside