13088-78-3 2-(Acetylamino)-4O-(2-(acetylamino)-2-deoxy-beta-D-glucopyranosyl)-2-deoxy-D-glucose 21950-31-2 24870-43-7 2706-64-1 29657-56-5 35061-50-8 Bis(N-acetyl)chitobiose Di-N-acetylchitobiose N,N'-Diacetylchitobioside N,N-Diacetylchitobiose