Patent ID: 7674921

Claim:
A compound of the general formula: wherein X is CH 2 ; wherein R 1 and R 2 are the same and are either H, CH 3 or F; wherein R 9 is H, or C 1 -C 20 straight chain, saturated or unsaturated or branched acyl; wherein R 11 is H, or C 1 -C 20 straight chain, saturated or unsaturated or branched acyl; wherein ---- represents any combination of a single bond, or a cis or trans double bond; wherein Z is Br, I, CF 3 , CH 3 , or C 1 -C 10 straight chain or branched alkyl; and wherein Y is O, S, NH or CH 2 when R 1 is CH 3 and R 2 is CH 3 or when Z is selected to be Br, I or a C 1 -C 10 straight chain or branched alkyl; wherein Y is CH 2 except when R 1 is CH 3 and R 2 is CH 3 or when Z is selected to be Br, I or a C 1 -C 10 straight chain or branched alkyl.