(Dinitrato(1R,2S-cyclohexanediamine)platinum(II)) (Pt(NO3)2(cis-dach)) 1,2-Cyclohexanediamine dinitratoplatinum 60732-70-9 Dinitrato(1,2-diaminocyclohexane)platinum NSC 239851 NSC-239851 Platinum(II) 1,2-diaminocyclohexane nitrate