Patent ID: 8785443

Claim:
A method of treating a patient suffering from a disease selected from psoriasis, multiple sclerosis, Huntington's disease, asthma, Parkinson's disease, amyotrophic lateral sclerosis, Alzheimer's disease, rheumatoid arthritis, Crohn's disease, ankylosing spondylitis, ulcerative colitis and psoriatic arthritis, comprising administering to a patient in need thereof a compound of Formula (I) or a pharmaceutically acceptable salt thereof: wherein: R 1 and R 2 are independently chosen from hydrogen, C 1-6 alkyl, and substituted C 1-6 alkyl; R 3 and R 4 are independently chosen from hydrogen, C 1-6 alkyl, substituted C 1-6 alkyl, C 1-6 heteroalkyl, substituted C 1-6 heteroalkyl, C 4-12 cycloalkylalkyl, substituted C 4-12 cycloalkylalkyl, C 7-12 arylalkyl, and substituted C 7-12 arylalkyl; or R 3 and R 4 together with the nitrogen to which they are bonded form a ring chosen from a C 5-10 heteroaryl, substituted C 5-10 heteroaryl, C 5-10 heterocycloalkyl, and substituted C 5-10 heterocycloalkyl; and R 5 is methyl; wherein each substituent group is independently chosen from halogen, —OH, —CN, —CF 3 , ═O, —NO 2 , benzyl, —C(O)NR 11 2 , —R 11 , —OR 11 , —C(O)R 11 , —COOR 11 , and —NR 11 2 wherein each R 11 is independently chosen from hydrogen and C 1-4 alkyl.