N(I),N(II),N(III),N(IV)-tetraacetyl-NV-dimethylaminophenylazophenylthioureido-beta-chitopentaosyl-pyroglutamyl amidoethylnaphthalenesulfonic acid
n(i),n(ii),n(iii),n(iv)-tetraacetyl-nv-dimethylaminophenylazophenylthioureido-beta-chitopentaosyl-pyroglutamyl amidoethylnaphthalenesulfonic acid