Patent ID: 8524742

Claim:
A method of decreasing tumor necrosis factor-alpha levels in blood of a patient in need thereof, the method comprising administering to the patient a compound represented by formula (I), an organic salt thereof, or an inorganic salt thereof, wherein R 1 represents H, NO 2 , NHC(O)R 6 , or NR 7 R 8 ; R 2 represents H or CH 3 ; R 3 represents H, methyl, isopropyl, allyl, benzyl, CH 2 CO 2 (C 1-6 alkyl), or CH 2 (CH 2 ) n R 9 ; R 6 , R 7 , and R 8 each independently and at each occurrence represent H, or C 1-6 alkyl; R 9 represents H, C 1-6 alkyl, OH, C 1-6 alkyloxy, NH 2 , C 1-6 alkylamino, N(C 1-6 alkyl) 2 , or CO 2 (C 1-6 alkyl); and n represents 1, 2, 3, or 4.