Column : Shodex ORpak CDBS-453 (4.6mmID*150mm) Eluent : 25% CH3CN + 75% (1.4% CH3COOH + 0.7% (C2H5)3N + 0.2M NaCl) in H2O Flow rate : 0.5mL/min Detector : UV(254nm) Column temp. : 10deg-C