... H2C CH2 H2N H2C H2N NH2 Pt Cl H2C Cl Cl NH Pt Cl + CH2 H2N N H2 NH Pt bidentate chelation CH2 Cl bidentate chelation H2C CH2 H2C CH2 H2C tridentate chelation CH2CH2NH2 CH2 HN NH Pt N H2 N H2 2+ ... H2C + CH2 H2N NHCH2CH2 Pt Cl NH NH2CH2CH2 [N,N -bis (2- amino-kN-ethyl)ethane-1 ,2- diamine-kN]chloridoplatinum(II) H2C H2N NH Pt Cl + CH2 NH CH2 CH2 CH2CH2NH2 [N- (2- amino-kN-ethyl)-N - (2- aminoethyl)ethane-1,2diamine-k2N,N ... dichlorido[(ethane-1 ,2- diyldinitrilo-kN)(acetato-kO)triacetato]platinate(II) O2CCH2 H 2C O C H2C CH2 N N CH2 PtII C O O 2 CH2CO2 O [(ethane-1 ,2- diyldinitrilo-k2N,N )(N,N -diacetato-k2O,O )(N,N diacetato)]platinate (2 ), or {N,N -ethane-1 ,2- diylbis[N-(carboxylatomethyl)glycinato-kO,kN]}platinate(2...