Patent ID: 8735438

Claim:
A method of treating a disease or condition, selected from: pain, visceral pain, corneal pain, headache pain, irritable bowel syndrome pain, pain associated with diabetic neuropathy, the treatment of diabetic retinopathy, comprising administering to a mammal in need thereof, a therapeutically effective amount of a compound having Formula 1: wherein n=1; X is C or N; R 1 -R 6 can be the same or different and are independently selected from the group consisting of C 1-6 alkyl, OCH 3 , OH, Cl, Br, CH 2 OH, CH 2 N(R 7 ) 2 , C(O)R 8 , CH 2 CN, CF 3 , wherein R 7 is H or C 1-6 alkyl; and R 8 is C 1-6 alkyl or aryl.