Preparation of Ternary Platinum(II) Complexes with N-(.OMEGA.-Phenylalkyl)-1,2-ethanediamine and 2,2'-Dipyridine and the Effect of the Methylene Chain Length of the N-(.OMEGA.-Phenylalkyl)-1,2-ethanediamine in the Complexes on Intermolecular Interactions with Various Arylsulfonates