106051-94-9 15503-35-2 20998-75-8 21H,23H-Porphine, 5,10,15,20-tetraphenyl- 25323-25-5 5,10,15,20-Tetraphenyl-21H,23H-porphine 5,10,15,20-Tetraphenylporphine 87719-36-6 917-23-7 EINECS 213-025-9 NSC 18506 NSC 640184 Porphine, 5,10,15,20-tetraphenyl- (VAN) (8CI) Tetraphenylporphine Tetraphenylporphyrin meso-Tetraphenylporphine