label: 4-deoxy-Delta(4)-beta-D-GlcpA2S-(1->3)-beta-D-GalpNAc + H2O => 5-dehydro-4-deoxy-2-O-sulfo-D-glucuronate + N-acetyl-beta-D-galactosamine
label_lc: 4-deoxy-delta(4)-beta-d-glcpa2s-(1->3)-beta-d-galpnac + h2o => 5-dehydro-4-deoxy-2-o-sulfo-d-glucuronate + n-acetyl-beta-d-galactosamine