IUPAC:disodium 2-({[6,6',7,7'-tetrahydroxy-3,3'-dimethyl-1,1',4,4'-tetraoxo-5,5'-bis(propan-2-yl)-8'-{[(2-sulfonatoethyl)imino]methyl}-1H,1'H,4H,4'H-[2,2'-binaphthalen]-8-yl]methylidene}amino)ethane-1-sulfonate
IUPAC:disodium 2-({[6,6',7,7'-tetrahydroxy-3,3'-dimethyl-1,1',4,4'-tetraoxo-5,5'-bis(propan-2-yl)-8'-{[(2-sulfonatoethyl)imino]methyl}-1H,1'H,4H,4'H-[2,2'-binaphthalen]-8-yl]methylidene}amino)ethane-1-sulfonate