dietary copper copper cation copper(2+) PDBeChem:CU chebi_ontology Cu Gmelin:6855 62.92850 CHEBI:29036 copper, ion (Cu2+) Reaxys:3587177 63.54600 Cu2+ CHEBI:20882 copper(II) cation +2 InChI=1S/Cu/q+2 cupric ion copper(II) cation copper(2+) ion PMID:23900424 copper(2+) Cu(2+) CHEBI:23380 An ion of copper carrying a double positive charge. PMID:24168430 COPPER (II) ION CHEBI:49550 JPVYNHNXODAKFH-UHFFFAOYSA-N Cu(II) [Cu++] CAS:15158-11-9 monoatomic dication divalent metal cation