3841417 -OEChem-02060822582D 0 0 0 0 0 0 0 0 0999 V2000 M END > 3841417 > 2 > ChemIDplus > UU6859600 > NIOSH/UU6859600 > 3,3',3'',3'''-(21H,23H-Porphinetetrayl)tetrakis(1-methylpyridinium) Pyridinium, 3,3',3'',3'''-(21H,23H-porphinetetrayl)tetrakis(1-methyl- Tetra(N-metil-3-piridil)porfirina [Spanish] UU6859600 > UU6859600 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=UU6859600 $$$$