(5,10,15,20-Tetraphenyl-21H,23H-porphinato(2-)-N21,N22,N23,N24)copper 14172-91-9 Copper tetraphenylporphyrin Copper, [5,10,15,20-tetraphenyl-21H,23H-porphinato(2-)-N(21)-,N(22)-,N(23)-,N(24)-]- EINECS 238-019-3