Columns: PrincetonSFC 2-Ethylpyridine. 100 Å, 5 μm
Dimensions: 150 x 4.6 mm
Eluent: CO2 - CH3OH (85:15)
Flow Rate: 4.0 ml/min
Temperature: 40°C
Detection: UV at 220 nm

1. Picolinamide
2. Niacinamide
3. Isonicotinamide