Patent ID: 7312181

Claim:
A compound of Formula Ia: wherein: Ar 1 is a five or six-membered aromatic ring selected from phenyl, pyridyl, pyrimidinyl, pyrazinyl, pyridazinyl, furyl, thienyl, oxazolyl, thiazolyl, isoxazolyl, isothiazolyl, pyrrolyl, imidazolyl, or pyrazolyl; where R a , R b , R c , R d , and R e are, when present, each independently H, halogen, alkyl, alkenyl, alkynyl, haloalkyl, haloalkenyl, haloalkynyl, alkoxy, alkylthio, haloalkoxy, haloalkylthio, cyano, nitro, or aryl or heteroaryl optionally substituted with halogen, alkyl, alkenyl, alkynyl, haloalkyl, haloalkenyl, haloalkynyl, alkoxy, alkylthio, haloalkoxy, haloalkylthio, cyano, or nitro, or where two of the R a , R b , R c , R d , and R e are taken together to form another 5 or 6 membered ring containing C, N, O and/or S atoms, optionally substituted with halogen, alkyl, alkenyl, alkynyl, haloalkyl, haloalkenyl, haloalkynyl, alkoxy, alkylthio, haloalkoxy, haloalkylthio, cyano, or nitro, R′ is, when present, H or alkyl, and R is alkyl, alkenyl, alkynyl, haloalkyl, haloalkenyl, haloalkynyl, acyl, or alkoxycarbonyl, or aryl optionally substituted with halogen, alkyl, alkenyl, alkynyl, haloalkyl, haloalkenyl, haloalkynyl, alkoxy, alkylthio, haloalkoxy, haloalkylthio, cyano, or nitro; or R is heteroaryl optionally substituted with halogen, alkyl, alkenyl, alkynyl, haloalkyl, haloalkenyl, haloalkynyl, alkoxy, alkylthio, haloalkoxy, haloalkylthio, cyano, or nitro; R 1 , R 2 , and R 3 are each independently H, halogen, alkyl, alkenyl, alkynyl, haloalkyl, haloalkenyl, haloalkynyl, alkoxy, alkylthio, haloalkoxy, haloalkylthio, cyano, or nitro; or a salt thereof.