Photographs showing the curative effect of 1 and 2 in CFA-induced arthritis inSprague-Dawley rats. (A)IFA/non-arthritic control, (B)CFA/arthritic control, (C) dexamethasone (3 mg/kg), (D) 1 (3 mg/kg), (E)1 (10 mg/kg), (F)1 (30 mg/kg), (G)2 (3 mg/kg), (H)2 (10 mg/kg), and (I)2 (30 mg/kg).