Dabigatran Etexilate Impurity D Catalogue D112424 CAS 1408238-40-3 M.W 628.73 M.F C34H40N6O6 Specifications FAQs ethyl 3-(2-(((4-(((hexyloxy)carbonyl)carbamoyl)phenyl)amino)methyl)-1-methyl-N-(pyridin-2-yl)-1H-benzo[d]imidazole-5-carboxamido)propanoate