Each of the following problems shows a reaction or a multistep synthesis, the product from which is to be determined. To answer each part, draw a structural formula for this product in the Drawing Window on the left below. When you are finished, check your answer by pressing the Check Product # button. Problems 2, 3 & 4 have intermediates designated A, B & C respectively. Molecular formulas for these intermediates will be shown if the Show A, B or C buttons at the bottom are clicked.