Investigation Inhibition Effects of N-Benzyl-N-(4-Methoxyphenyl) Acetamide, N-Benzyl-N-(4-Methoxyphenyl) -4 Methylbenzenesulfonamide, N-Benzyl-4-Methoxyaniline and (E)-N-(4- Methoxyphenyl)-1-Phenylmethanimine Derivatives on the Aldose Reductase Enzyme and Determination of Enzyme-inhibitor Interaction with Docking Method