for the following products
2-[2-(Acetyloxy)-6,7-dihydrothieno[3,2-c]pyridin-5(4H)-yl]-1-cyclopropyl-2-(4-fluorophenyl)ethanone | Prasugrel EP Impurity C and 5-(2-Cyclopropyl-1-(4-fluorophenyl)-2-oxoethyl)-4,5,6,7-tetrahydrothieno [3,2-c]pyridin-2-yl acetate