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