3768296 -OEChem-02060822572D 0 0 0 0 0 0 0 0 0999 V2000 M END > 3768296 > 2 > ChemIDplus > 073555745 > 5,10,15,20-Ptkpp 5,10,15,20-Pyromellitoyl(tetrakis-(2-oxypropoxyphenyl))porphyrin 73555-74-5 Iron, (17,18,25,26,44,45,52,53-octahydro-55H,61H-6,9:33,36-diimino-5,37:10,32-di(2)pyrrolyl(5)ylidene-16H,20H,24H,43H,47H,51H-tetrabenzo(o,o',w,w')benzo(1,2-g:4,5-g')bis(1,5,10,14)tetraoxacyclotetracosin-20,22,47,49-tetronato(2-)-N56,N60,N62,N66)-, (SP-4-1)- Ptkop-porphyrin > 73555-74-5 > 073555745 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=073555745 $$$$