D009269Chemicals & DrugsD03.132.577.249.656D03.549.686.694D03.605.497.694D04.615.723.795.656Nalorphineprns:meshDescriptorUIMeSH DescriptorUIprns:meshSemanticGroupNameMeSH semantic group nameprns:meshTreeNumberMeSH tree numberrdf:typetyperdfs:labellabelConcept