preferred_name: beta-D-glucosaminyl-(1->4)-N-acetyl-D-glucosamine + acetate => N,N'-diacetylchitobiose + H2O
preferred_name_lc: beta-d-glucosaminyl-(1->4)-n-acetyl-d-glucosamine + acetate => n,n'-diacetylchitobiose + h2o
label: beta-D-glucosaminyl-(1->4)-N-acetyl-D-glucosamine + acetate => N,N'-diacetylchitobiose + H2O
label_lc: beta-d-glucosaminyl-(1->4)-n-acetyl-d-glucosamine + acetate => n,n'-diacetylchitobiose + h2o