Appeal No. 1997-2188 Application 08/137,440 brain levels of acetylcholine. Claims 1, 4, 28, 29 and 30 are believed to be adequately representative of the appealed subject matter and are reproduced below for a more facile understanding of appellants' invention. Claim 1. A compound of the formula 3Page: Previous 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 NextLast modified: November 3, 2007