... with water. (The pHof the water wash was % 13) Glacial acetic acid (0.5 mL)was added, the layers were separated, and the organic layerwas washed again with water. The layers were separated,and ... example, Dharma and coworkers havedemonstrated that arabinonucleotides are effectiveantisense agents [40]. In addition, the antineoplasticdrug fludarabine is an arabinonucleoside, and theantineoplastic ... 3¢-nucleotides, and indicate that non-natural fura-nose rings can serve as the basis for more potent inhibitors of catalysis byRNase A. AbbreviationsaraUMP, arabinouridine 3¢-phosphate; dUFMP,...