1314-06-3 164144-91-6 203212-67-3 34875-54-2 Dinickel trioxide EINECS 215-217-8 NICKEL OXIDE Nickel oxide (Ni2O3) Nickel oxide peroxide Nickel peroxide Nickel sesquioxide Nickel trioxide Nickel trioxide [Nickel and nickel compounds] Nickel(III) oxide Nickel(III)oxide Nickelic oxide