has_role micronutrient selenium atom 0 78.96 79.91652 selenium Selenium kegg.compound:C01529 CHEBI:26627 selenio 34Se hmdb:HMDB0001349 CHEBI:9091 MESH:D012643 Se BUGBHKTXTAQXES-UHFFFAOYSA-N SNOMEDCT:22038003 NCIt:C825 webelements:Se CHEBI:27568 selenium Selenium wikipedia.en:Selenium Se cas:7782-49-2 foodb.food:FDB013400 Selen InChI=1S/Se drugbank:DB11135 [Se] chebi_ontology atom