摘要:
The present invention provides a compound of Formula I: wherein R is H or R1is H, halogen, C1-C3 alkyl, C3-C6 cycloalkyl, C1-C3 alkoxy, C2-C3 alkenyl, OCF3, R2is H, halogen, C1-C3 alkyl, C1-C3 alkoxy, or C2-C4 alkenyl; R3is NH2, or CH2NH2; and X is O, OCH2, OCH2CH2, OCH(CH3), CH2O, SCH2, CH2S, CH2, NHCH2, CH2NH, N(CH3)CH2, CH2CH2, C≡C, or a bond, wherein X is connected to phenyl ring A at the ortho or the meta position, or a pharmaceutically acceptable salt thereof, wherein the compound of Formula I, or pharmaceutically acceptable salt thereof is useful for treating autoimmune and inflammatory diseases, such as atopic dermatitis and rheumatoid arthritis.