Interference No. 104,241 wherein a) R is an unsubstituted alkanyl or alkenyl having from 1 to about 3 carbon atoms; b) R' is selected from the group consisting of hydrogen; unsubstituted alkanyl or alkenyl having from 1 to about 3 carbon atoms; unsubstituted alkylthio or alkoxy having from 1 to about 3 carbon atoms; hydroxy; thiol; cyano; and halo; c) R" is selected from the group consisting of hydrogen, methyl, ethyl and i-propyl; -OR- A pharmaceutical composition comprising a) a safe and effective amount of a compound of Formula I or Formula Ia, and b) a pharmaceutically acceptable carrier, -OR- A method for preventing or treating glaucoma, diarrhea or nasal congestion comprising administering a safe and effective amount of a compound of Formula I or Formula Ia to a subject in need of such treatment. The claims of the parties which correspond to count 1 are: Jeon et al.: 29 Cupps et al.: 1-21 2Page: Previous 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46Last modified: November 3, 2007