2. a) Draw the molecule shown below using a Fischer projection. To aid you, a ball-and-stick representation is shown on the right. On your Fischer projection, mark each chiral centre using the Cahn-Ingold-Prelog nomenclature. OH Om... , OH OH OH b) Draw the molecule shown below using a Haworth projection. On your Haworth projection, mark each chiral centre using the Cahn-Ingold- Prelog nomenclature