Abstract: Disclosed are compounds of the formula I shown below, wherein R1, R2, R3 and R4 are described herein, which are active as anti-inflammatory agents.
Type:
Grant
Filed:
July 29, 2004
Date of Patent:
February 12, 2008
Assignee:
Boehringer Ingelheim Pharmaceuticals, Inc.
Inventors:
Zhidong Chen, John David Ginn, Eugene Richard Hickey, Weimin Liu, Can Mao, Tina Marie Morwick, Peter Allen Nemoto, Denice Spero, Sanxing Sun