Table 3.

HPLC parameters.

Column	Waters Symmetry300™ C18, 3.5 µm, 4.6 × 150 mm (P/N: 186000197)
Column Temperature	35 °C
Injection Volume	25 µL
Flow	1 mL/min
Detection	Excitation λ = 322 nm; Emission λ = 420 nm