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Modify the given copy of the starting material to draw the major product(s). If more than one product is expected, you can use the copy/paste function to save time drawing, and you can use the single bond tool to add/remove pi bonds. Modify the given copy of the starting material to draw the major product(s). If more than one product is expected, you can use the copy/paste function to save time drawing. and you can use the single bond tool to add/remove pi bonds Modify the given copy of the starting material to draw the major product(s). If more than one product is expected, you can use the copy/paste function to save time drawing, and you can use the single bond tool to add/remove pi bonds. Modify the given copy of the starting material to draw the major product(s). If more than one product is expected, you can use the copy/paste function to save time drawing. and you can use the single bond tool to add/remove pi bonds