2-[2-(2-azidoethoxy)ethoxy]ethyl 3-O-benzyl-β-D-galactopyranoside cyclic [P(R)]-4,6-(2,2,2-trichloroethyl phosphate)

2-[2-(2-azidoethoxy)ethoxy]ethyl 3-O-benzyl-β-D-galactopyranoside cyclic [P(S)]-4,6-(2,2,2-trichloroethyl phosphate)