5,5'-((4,4'-dimethyl-[1,1'-biphenyl]-3,3'-diyl)bis(methylene))bis(2-(4-fluorophenyl)thiophene),5,5'-((4,4'-dimethyl-[1,1'-biphenyl]-3,3'-diyl)bis(methylene))bis(2-(4-fluorophenyl)thiophene),Impurity in commercial preparations of Canagliflozin.,Canagliflozin