Appeal No. 1997-2196 Application No. 08/138,581 Z is selected from the group consisting of1 hydrogen, hydrocarbyl, a group represented by the formula -N(Q ) , and a group represented by1 2 the formula 11Page: Previous 1 2 3 4 5 6 7 8 9 10 11 12 NextLast modified: November 3, 2007