3782479 -OEChem-02060822572D 0 0 0 0 0 0 0 0 0999 V2000 M END > 3782479 > 2 > ChemIDplus > 088954772 > 5,10,15,20-Tetra(4-N-sulfoethylpyridinim)porphyrin 5-Tnspp 88954-77-2 94693-46-6 Pyridinium, 4,4',4'',4'''-(21H,23H-porphine-5,10,15,20-tetrayl)tetrakis(1-(2-sulfoethyl)-, tetrahydroxide, tetrakis (inner salt) Pyridinium, 4,4',4'',4'''-(21H,23H-porphine-5,10,15,20-tetrayl)tetrakis(1-(2-sulfoethyl)-, tetrahydroxide, tetrakis(inner salt) > 88954-77-2 94693-46-6 > 088954772 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=088954772 $$$$