127166-41-0 Dibenz(b,e)oxepin-2-carboxylic acid, 11-(2-(5,6-dimethyl-1H-benzimidazol-1-yl)ethylidene)-6,11-dihydro-, sodium salt (E)- KW 3635 KW-3635 Sodium 11-(2-(5,6-dimethyl-1-benzimidazolyl)ethylidine)-6,11-dihydrodibenz(b,e)oxepine-2-carboxylate