Patent ID: 8476286

Claim:
A compound of formula IV wherein R 1 ′ represents 1 to 2 substituents independently selected from optionally substituted C2-C7 alkenyl, optionally substituted C2-C7 alkenyloxy, optionally substituted C2-C7 alkynyl, or optionally substituted C2-C7 alkynyloxy, wherein the optional substituents are 1 or 2 substituents independently selected from halo, C1-C7 alkyl, C2-C7 alkenyl, C2-C7 alkynyl, cycloalkyl, or cyano; R 2 ″ is aryl-methyl, substituted with 1, 2, or 3 substituents independently selected from C1-C7alkyl, C1-C7alkoxy, hydroxyl, halogen, cyano, trifluoromethyl, methylenedioxy, ethylenedioxy, oxyethylene, and oxypropylene; R 3 ″ is C1-C7 alkyl; or an acid addition salt thereof.