Synonyms: Palladium,[5,10,15,20-tetraphenyl-21H,23H-porphinato(2-)-N21,N22,N23,N24]-, (SP-4-1)-;Palladium, [5,10,15,20-tetraphenylporphinato(2-)]- (8CI); Palladium, [a,b,g,d-tetraphenylporphinato(2-)]-(7CI); Porphine, tetraphenyl-, Pd deriv. (6CI); 21H,23H-Porphine,5,10,15,20-tetraphenyl-, palladium complex; 21H,23H-Porphine, palladium deriv.;(Tetraphenylporphyrinato)palladium; (meso-Tetraphenylporphinato)palladium;(meso-Tetraphenylporphyrinato)palladium;5,10,15,20-Tetraphenylporphyrinatopalladium; Palladium mesotetraphenylporphine;Palladium tetraphenylporphine; Palladium tetraphenylporphyrin; Palladium(II)meso-tetraphenylporphine; PdTPP;[5,10,15,20-Tetraphenylporphinato(2-)]palladium