Dabigatran Etexilate Mesylate Standard

N-[[2-[[[4-[[[(Hexyloxy)carbonyl]amino]iminomethyl]phenyl]amino]methyl]-1-methyl-1H-benzimidazol-5-yl]carbonyl]-N-2-pyridinyl-β-alanine Ethyl Ester Methanesulfonate;Pradaxa; Ethyl 3-{[(2-{[(4-{[(hexyloxy)carbonyl]carbamimidoyl}phenyl)amino]methyl}-1-methyl-1Hbenzimidazol-5-yl)carbonyl](pyridin-2-yl)amino}propanoate monomethanesulfonate