Synonyms: Phthalocyanine,vanadium complex (6CI); Vanadium, oxo[29H,31H-phthalocyaninato(2-)-N29,N30,N31,N32]-,(SP-5-12)-; Vanadium, oxo[phthalocyaninato(2-)]- (7CI,8CI);29H,31H-Phthalocyanine, vanadium complex; 29H,31H-Phthalocyanine, vanadiumderiv.; NIR 12; Oxo[phthalocyaninato(2-)]vanadium; Oxovanadium phthalocyanine;Vanadium oxyphthalocyanine; Vanadium phthalocyanine; Vanadyl phthalocyanine;Vanadyl(2+) phthalocyaninate; Vanadyl(IV) phthalocyanine