Not less than-95.0%
2-(2-Fluoro[1,1'-biphenyl]-4-yl)-2,3-dimethylbutanedioic Acid; 2-(2-Fluoro-[1,1'-biphenyl]-4-yl)-2,3-dimethylsuccinic Acid; 2-(2-Fluorobiphenyl-4-yl)-2,3-dimethylbutanedioic Acid