COMPOUND

摘要

A compound of formula (I) wherein R is a C9-23 polyunsaturated alkenyl group; X is SO3R3, SO2R3, PO3R3, PO2R3, COCHal3, or COOR3; R1 and R2 are each independently H, a C1-6 a iky I group optionally substituted with OH, C6-10 aryl group optionally substituted with OH, C7-12 arylalkyl group optionally substituted with OH, COC1-6 alkyl group optionally substituted with OH, COC6-10 aryl group optionally substituted with OH, COC7-12 arylalkyl group optionally substituted with OH, or COCHaI3 group; hal is halide, preferably F; each R3 is independently H, C1-6 alkyl, C6-10 aryl, or C7-12arylalkyl; or a salt thereof.