Supplier: 2-deoxyribose and its derivatives, 5-deoxyribose and its derivatives, d-ribose and its derivates;2-deoxy-d-ribose, 1, 2, 3-triacetoxy-5-deoxy-d-ribose, 1-o-acetyl-2, 3, 5-tri-o-benzoyl-p -d-ribofuranose, 1-methoxy-3, 5-bis-(4-chlorobenzoyl)-2-deoxy-d-ribose
