Synonyms: Vanadium,[2,3,7,8,12,13,17,18-octaethyl-21H,23H-porphinato(2-)-N21,N22,N23,N24]oxo-,(SP-5-12)-; Vanadium, [2,3,7,8,12,13,17,18-octaethylporphinato(2-)]oxo- (8CI);21H,23H-Porphine, 2,3,7,8,12,13,17,18-octaethyl-, vanadium complex;21H,23H-Porphyrazine, vanadium deriv.; (2,3,7,8,12,13,17,18-Octaethyl-21H,23H-porphinato)oxovanadium;(Octaethylporphinato)oxovanadium; (Octaethylporphyrinato)oxovanadium;Oxovanadium(IV) octaethylporphyrin; Vanadyl octaethylporphine;Vanadyloctaethylporphyrin