Synonyms: Porphine,tetraphenyl-, V complex (6CI); Vanadium, oxo[5,10,15,20-tetraphenyl-21H,23H-porphinato(2-)-N21,N22,N23,N24]-,(SP-5-12)-; Vanadium, oxo[5,10,15,20-tetraphenylporphinato(2-)]- (8CI);Vanadium, oxo[a,b,g,d-tetraphenylporphinato(2-)]- (7CI); 21H,23H-Porphine,5,10,15,20-tetraphenyl-, vanadium complex; 21H,23H-Porphine, vanadium deriv.;(5,10,15,20-Tetraphenyl-21H,23H-porphine)vanadium(IV) oxide;5,10,15,20-tetraphenyl-21 H,23H-porphine vanadium(IV) oxide;Oxo(5,10,15,20-tetraphenylporphinato)vanadium;Oxo(tetraphenylporphyrinato)vanadium; Oxo[5,10,15,20-tetraphenylporphinato(2-)]vanadium;Oxovanadium(IV) tetraphenylporphyrin; Vanadyl tetraphenylporphine;Vanadyltetraphenylporphyrin