Table 2. Linearity, Range, and LLOQ of Artemisinin, Deoxyartemisinin, and 10-Deoxoartemisinin in Rat Plasma Determined by the LC–MS/MS Technique.

compound	calibration equation	correlation coefficient (R)	range (ng/mL)	LLOQ (ng/mL)
artemisinin	y = 2.65 × 10–5x – 7.19 × 10–6	0.9961	1.00–1000	1.00
deoxyartemisinin	y = 6.80 × 10–3x – 6.45 × 10–4	0.9968	1.00–1000	1.00
10-deoxoartemisinin	y = 2.32 × 10–4x + 7.79 × 10–5	0.9951	1.00–1000	1.00