(6R,8R,8aR)-2,2-dimethyl-6-(4-nitrophenoxy)-hexahydro-2H-pyrano[3,2-d][1,3]dioxine-7,8-diol

p-nitrophenyl 4,6-o-isopropylidene-α-d- ; p-nitrophenyl 4,6-o-isopropylidene-a-d-galactopyranoside ; p-nitrophenyl 4,6-o-isopropylidene-α-d-galactopyranoside ; 4-nitrophenyl 4,6-o-(1-methylethylidene)-α-d-galactopyranoside ; 4-nitrophenyl 4,6-o-(1-methylethylidene)-a-d-galactopyranoside ; 4-nitrophenyl 4,6-o-isopropylidene-a-d-galactopyranoside