154788-16-6

tetrasodium 7-({[4-({[4-({[5-({5-[(6,8-disulfonatonaphthalen-2-yl)carbamoyl]-1-methyl-1H-pyrrol-3-yl}carbamoyl)-1-methyl-1H-pyrrol-3-yl]carbamoyl}amino)-1-methyl-1H-pyrrol-2-yl]carbonyl}amino)-1-methyl-1H-pyrrol-2-yl]carbonyl}amino)naphthalene-1,3-disulfo