113287-15-3 Diammine(1,1-cyclobutanedicarboxylato(2-)dihydroxyplatinum) dihydrate (OC-6-33) Diamminecyclobutane-1,1-dicarboxylatodihydroxyplatinum(IV) Platinum, diammine(1,1-cyclobutanedicarboxylato(2-)dihydroxy-, dihydrate, (OC-6-33)