(e) Show how you could modify your synthetic proposal so that the ortho product formed below is the only product observed. You can fill in the missing reagents in the correct step order above or below the arrow. (Hint: Sulfonation is a reversible reaction). ortho-product (only product observed) (d) Discuss how 'H NMR would allow a synthetic chemist to differentiate between the ortho and para products shown above. Be specific. Your discussions should talk about number of signals expected, splitting patterns, integrations and important chemical shift regions that would be significant in differentiating these two constitutional isomers