Patent ID: 7531540

Claim:
A method of treating a dermatose in a patient comprising administering to a patient in need thereof a therapeutically effective amount of a compound of formula I in which R1 and R2 are both hydrogen or together form an additional bond, R3 represents a benzene derivative of formula (a) wherein R4 is 1-4C-alkoxy, R5 is 1-8C-alkoxy, R9 is (CH 2 ) m —C(O)—R15, wherein R15 is —N(R16)R17, R16 and R17 are independent from each other and are hydrogen or 1-7C-alkyl, and m is an integer from 1 to 4, or a pharmaceutically acceptable hydrate, salt or hydrate of a salt thereof, wherein the dermatose is selected from the group consisting of psoriasis and atopic eczema.