Patent ID: 8299071

Claim:
A method of ameliorating or inhibiting a disease selected from the group consisting of epilepsy, bipolar disorder, neuropathic pain and migraine pain comprising administering a compound of formula I: wherein: q is 0 or 1; each of R 1 and R 2 is independently selected from the group consisting of halogen, cyano, C 1-6 -alk(en/yn)yl, C 3-8 -cycloalk(en)yl, C 3-8 -cycloalk(en)yl-C 1-6 -alk(en/yn)yl, halo-C 1-6 -alk(en/yn)yl, halo-C 3-8 -cycloalk(en)yl, halo-C 3-8 -cycloalk(en)yl-C 1-6 -alk(en/yn)yl, C 1-6 -alk(en/yn)yloxy, C 3-8 -cycloalk(en)yloxy and C 3-8 -Cycloalk(en)yl-C 1-6 -alk(en/yn)yloxy; and R 3 is selected from the group consisting of C 1-8 -alk(en/yn)yl, C 3-8 -cycloalk(en)yl, C 3-8 -cycloalk(en)yl-C 1-6 -alk(en/yn)yl, optionally substituted aryl-C 1-6 -alk(en/yn)yl, optionally substituted aryl-C 3-8 -cycloalk(en)yl, optionally substituted aryl-C 3-8 -cycloalk(en)yl-C 1-6 -alk(en/yn)yl, C 1-6 -alk(en/yn)yl-C 3-8 -heterocycloalk(en)yl-C 1-6 -alk(en/yn)yl, C 3-8 -heterocycloalk(en)yl-C 1-6 -alk(en/yn)yl, heteroaryl-C 1-6 -alk(en/yn)yl, heteroaryl-C 3-8 -cycloalk(en)yl, heteroaryl-C 3-8 -cycloalk(en)yl-C 1-6 -alk(en/yn)yl, NR 4 R 5 —C 1-6 -alk(en/yn)yl, NR 4 R 5 —C 3-8 -cycloalk(en)yl, NR 4 R 5 —C 3-8 -cycloalk(en)yl-C 1-6 -alk(en/yn)yl, C 1-6 -alk(en/yn)yloxy -C 1-6 -alk(en/yn)yl, C 3-8 -cycloalk(en)yloxy-C 1-6 -alk(en/yn)yl, C 3-8 -cycloalk(en)yl-C 1-6 -alk(en/yn)yloxy-C 1-6 -alk(en/yn)yl, halo-C 1-6 -alk(en/yn)yl, halo-C 3-8 -cycloalk(en)yl and halo-C 3-8 -cycloalk(en)yl-C 1-6 -alk(en/yn)yl, wherein: each of R 4 and R 5 is independently selected from the group consisting of hydrogen, C 1-6 -alk(en/yn)yl, C 3-8 -cycloalk(en)yl and C 3-8 -cycloalk(en)yl-C 1-6 -alk(en/yn)yl; or a pharmaceutically acceptable salt thereof to a subject in need thereof.