dihydrogen (ethyl)[4-[4-[ethyl(3-sulphonatobenzyl)amino]-2'-sulphonatobenzhydrylidene]cyclohexa-2,5-dien-1-ylidene](3-sulphonatobenzyl)ammonium, dipotassium salt
CAS No. 71701-18-3
4,4-???? 95-88-6
ISOVITILAGIN 85138-57-4