beta-D-glucosaminyl-(1->4)-N-acetyl-D-glucosamine + H2O <=> D-glucosamine + N-acetyl-D-glucosamine
beta-d-glucosaminyl-(1->4)-n-acetyl-d-glucosamine + h2o <=> d-glucosamine + n-acetyl-d-glucosamine
beta-D-glucosaminyl-(1->4)-N-acetyl-D-glucosamine + H2O <=> D-glucosamine + N-acetyl-D-glucosamine
beta-d-glucosaminyl-(1->4)-n-acetyl-d-glucosamine + h2o <=> d-glucosamine + n-acetyl-d-glucosamine