.beta.-D-Galactopyranoside, 4-nitrophenyl 3150-24-1 4-Nitrophenyl galactoside Galactopyranoside, p-nitrophenyl, .beta.-D- NSC89287 p-Nitrophenol galactoside p-Nitrophenyl .beta.-D-galactopyranoside p-Nitrophenyl .beta.-D-galactoside p-Nitrophenyl-.beta.-galactoside