D008031Chemicals & DrugsD05.750.078.562.180.515D05.750.078.687D20.538D25.720.099.687J01.637.051.720.099.687Ligninprns:meshDescriptorUIMeSH DescriptorUIprns:meshSemanticGroupNameMeSH semantic group nameprns:meshTreeNumberMeSH tree numberrdf:typetyperdfs:labellabelConcept