preferred_name: N,N'-diacetylchitobiose(in) => N,N'-diacetylchitobiose(out)
preferred_name_lc: n,n'-diacetylchitobiose(in) => n,n'-diacetylchitobiose(out)
label: N,N'-diacetylchitobiose(in) => N,N'-diacetylchitobiose(out)
label_lc: n,n'-diacetylchitobiose(in) => n,n'-diacetylchitobiose(out)