for the following products
1-Chloro-3,5-di-(4-chlorobenzoyl)-2-deoxy-D-ribose | 1-Chloro-3,5-di-(p-chlorobenzoyl)-2-deoxy-D-ribofuranose | D-erythro-Pentofuranosylchloride, 2-deoxy-, 3,5-bis(4-chlorobenzoate) and 1-Chloro-3,5-di-(p-chlorobenzoyl)-2-deoxy-D-ribose
