| abstract |
The subject invention involves compounds having the following structure: <IMAGE> wherein: (a) R is unsubstituted C1-C3 alkanyl or alkenyl; (b) R' is selected from hydrogen; unsubstituted C1-C3 alkanyl or alkenyl; unsubstituted C1-C3 alkylthio or alkoxy; hydroxy; thiol; cyano; and halo; and (c) R'' is selected from hydrogen, methyl, ethyl and i-propyl. The subject invention also involves pharmaceutical compositions containing such novel compounds, and the use of such compounds for preventing or treating respiratory, ocular and/or gastrointestinal disorders. |