.alpha.-D-Galactopyranoside, 4-nitrophenyl 7493-95-0 Galactopyranoside, p-nitrophenyl, .alpha.-D- NSC89286 p-Nitrophenyl .alpha.-D-galactopyranoside p-Nitrophenyl .alpha.-D-galactoside p-Nitrophenyl .alpha.-galactoside