| abstract |
Compound represented by the formula (1) is:n n n n n n n n Wherein R is H, an aliphatic acyl group or an aromatic acyl group, respectively;n n n A isn n n , ,n n n , And n n n X is selected from the group consisting of hydrogen, halo, alkoxy, alkyl, haloalkyl, alkenyl, haloalkenyl, It is selected from the group consisting of alkynyl, amino, monoalkylamino, dialkylamino, cyano and nitro, including rheumatoid joint names. Used to treat or prevent arthritis. |