Table 1.

HPLC analysis conditions.

HPLC conditions
Mobile phase	(A) 0.2% acetic acid in H2O	Flow rate 1 mL/min
	(B) ACN	Injection vol. 10 μL
Gradient profile	Time (min)	A (%)	B (%)
	0	95	5
	40	40	60
	50	0	100
	55	0	100
High-pressure liquid chromatography
Controller	Waters 2695 separation module
Column	Hector C18 HPLC column (5 μm, 250 × 4.6 mm)
Detector	Waters 996 photodiode array detector