59894-00-7 L-glycero-L-galacto-Heptitol, 2,6-anhydro-7-deoxy-7-(3-(4-nitrophenyl)-2-triazenyl)- beta-D-Galactopyranosylmethyl-4-nitrophenyltriazene beta-D-Galactopyranosylmethyl-p-nitrophenyltriazene beta-Galmnt