https://pubchem.ncbi.nlm.nih.gov/compound/Dihydrogen-_29H_31H-phthalocyaninedisulphonato_4-_-N29_N30_N31_N32_cobaltate_2-
Dihydrogen (29H,31H-phthalocyaninedisulphonato(4-)-N29,N30,N31,N32)cobaltate(2-) - PubChem
Dihydrogen (29H,31H-phthalocyaninedisulphonato(4-)-N29,N30,N31,N32)cobaltate(2-) chemical information summary.