Patent ID: 7193105

Claim:
A compound having the formula (I): wherein A is non-substituted or optionally substituted phenyl, wherein the substituents selected from alkyl, alkenyl, alkynyl, alkoxy, hydroxyl, hydroxylalkyl, halo, haloalkyl, amino, thio, alkylthio, arylthio, aralkylthio, acylthio, alkylcarbonyloxy, alkyloxycarbonyl, alkylcarbonyl, alkylsulfonylamino, aminosulfonyl, or alkylsulfonyl; Y 1 is —O—, —S— or a bond; Y 2 is a bond; L is an unsubstituted C 4 –C 12 unsaturated hydrocarbon chain containing at least two double bonds and X 1 is O or S; X 2 is a halogen; provided that when Y 1 is S or a bond and Y 2 is a bond, L is a C 6-12 hydrocarbon chain containing at least one double bond at C 1 , C 2 , C 3 or C 5 of the hydrocarbon chain from C═X 1 , at least one triple bond, or at least one double bond and one triple bond; or a salt thereof.