dihydrogen (ethyl)[4-[4-[ethyl(3-sulphonatobenzyl)amino]-2'-sulphonatobenzhydrylidene]cyclohexa-2,5-dien-1-ylidene](3-sulphonatobenzyl)ammonium, dipotassium salt

Order 71701-18-3 dihydrogen,ethyl,sulphonatobenzyl,amino,sulphonatobenzhydrylidene,cyclohexa,ylidene,ammonium,dipotassium