Table 1. AUC of single oral administration for e-As₄S₄ and r-As₄S₄.

Formulation	r-As4S4	e-As4S4/1:15–60
AUC0-72 (mg h/L)	12.5 ± 5.2	158.5 ± 17.5**

Notes: **P < 0.01 versus r-As₄S₄ by t-test. (n = 4, mean ± SD).