D058672Chemicals & DrugsD27.505.519.625.050.200.200.200D27.505.696.577.050.200.200.200Adrenergic beta-2 Receptor Antagonistsprns:meshDescriptorUIMeSH DescriptorUIprns:meshSemanticGroupNameMeSH semantic group nameprns:meshTreeNumberMeSH tree numberrdf:typetyperdfs:labellabelConcept