Not Less Than -95%
Benzeneacetic acid, 4-[2-[4-[1-(2-ethoxyethyl)-1H-benzimidazol-2-yl]-1-piperidinyl]acetyl]-α,α-dimethyl-;4-[2-[4-[1-(2-Ethoxyethyl)-1H-benzimidazol-2-yl]-1-piperidinyl]acetyl]-α,α-dimethylbenzeneacetic acid;