mercury(+2) cation 14302-87-5 MERCURY (II) ION AIDS-003074 AIDS003074 Mercury dication c0096 CHEBI:16793 Hg(2+) mercury(2+) mercury(2+) ion mercury(II) HG+2 Hg++ Hg2+ mercury (II) mercury ion mercury(II) cation MERCURY(II)ION Mercuric ion Mercury (2+) Mercury II Mercury(2+) ions Mercury, ion (Hg2+) C00703