... Pergamon Journals Ltd. SIMPLE SYNTHESIS AND SEPARATION OF THE DIASTEREOWERS OF u-THID ANALOGS OF RIBO- AND DEOXYRIBO- DI- AND TRIPHOSPHATES RS Goody and H. Isakov Max-Planck-Institut fur medizinische Forschung Abteilung Eiophysik Jahnstr. ... separated on a PAE-Sephadex A-25 column (2 x 20 cml using a linear gradient of triethylammonium bicarbonate (0.35-0.5 M over 3 1). The major peak (fourth large peak) was ...