abstract |
It is possible to inhibit PDE4 by novel nitroxide compounds according to the invention, for example N-substituted anilines and diphenylamine analogues. Compounds of the present invention are compounds of formulas (I) to (III) below.n n n <Formula I>n n n n n n n n <Formula II>n n n n n n n n <Formula III>n n n n n n n n In the above formulas, A, B, D, R 1 , R 2 , R 3 , R 6 , R 7 , R 8 , R 9 , R 10 are as defined herein. |