(1,2-Cyclohexanediamine-N,N')((hydroxymethyl)phosphonato(2-))platinum (SP-4-2)- 99488-82-1 Hydroxymethylphosphonato-trans-(-)-1,2-diaminocyclohexaneplatinum(II) Platinum, (1,2-cyclohexanediamine-N,N')((hydroxymethyl)phosphonato(2-))-, (SP-4-2)-