Modify the given copy of the starting material to draw the product. If more than one product is expected, you can use the copylpaste tools to save drawing time. Modify the given copy of the starting material to draw the product. If more than one product is expected, you can use the copy/paste tools to save drawing time. Modify the given copy of the starting material to draw the product. If more than one product is expected, you can use the copylpaste tools to save drawing time. Modify the given copy of the starting material to draw the product. If more than one product is expected, you can use the copy/paste tools to save drawing time