for the following products
1-Chloro-3,5-di-O-toluoyl-2-deoxy-alpha-D-ribofuranose | 2-Deoxy-3,5-di-O-(4-methylbenzoyl)-alpha-D-erythropentofuranosylchloride | 3,5-di-O-(p-Toluyl)-2-deoxy-D-ribofuranosyl chloride and di-p-Toluoyl-pentafuranosyl-chloride
