Columns: PrincetonSFC Methane Sulfonamide, 5 μm
Dimensions: 250 x 4.6 mm
Eluent: CO2 - CH3OH (60:40)
Additive: 0.2% diethylamine
Flow Rate: 2.35 ml/min
Detection: UV at 254 nm

1. Caffeine
2. Theophylline
3. Theobromine
4. Thymine
5. Uracil
6. 5-Fluorouracil
7. Adenine 8. Hypoxanthine
9. 5-Fluorocytosine
10. Cytosine