Ethyl step three-(step three,4-dihydroxy-benzamido)benzoate (3): Material step 3 was synthesized according to standard procedure using twenty two (0Ethyl step three-(step three,4-dihydroxy-benzamido)benzoate (3): Material step 3 was synthesized according to standard procedure using twenty two (0 0six g, 0.13 mmol) and was obtained as a white solid (0.03…