Nickel(II)octaethylporphine;octaethyl-21H,23H-porphine nickel(II);2,3,7,8,12,13,17,18-octaethyl-21h,23h-porphineni ;Nickel octaethylporphyrin;Ni-OEP complex;2,3,7,8,12,13,17,18-OCTAETHYL-21H,23H-PORPHINE NICKEL(II);NI(II) OCTAETHYLPORPHINE;RARECHEM AS SA 0079