Hydrogen [4-[[4-(diethylamino)phenyl][4-[ethyl[(3-sulphonatobenzyl)amino]-o-tolyl]methylene]-3-methylcyclohexa-2,5-dien-1-ylidene](ethyl)(3-sulphonatobenzyl)ammonium, sodium salt
Idrogeno [4-[[4-(dietilammino)fenil][4-[etil[(3-solfonatobenzil)ammino]-o-tolil]metilen]-3-metilcicloesa-2,5-dien-1-iliden](etil)(3-solfonatobenzil)ammonio, sale di sodio