1,1-Cyclobutanedicarboxylate diammine platinum(II) 41575-94-4 Carboplatin NSC201345 Platinum(II), (1,1-cyclobutanedicarboxylato)diammine-, cis- Platinum, diammine[1,1-cyclobutanedicarboxylato(2-)-O,O']-, (SP-4-2)- cis-(1,1-Cyclobutanedicarboxylato)diammineplatinum(II) cis-Diammine(1,1-cyclobutanedicarboxylato)platinum(II)