| abstract |
The present invention provides aryl ketone compounds and compositions containing them which facilitate the delivery of active agents. The aryl ketone compounds have the formula (I) or a salt thereof, where n=1 to 9, and R1 to R5 are independently hydrogen, C1 to C4 alkyl, C1 to C4 alkoxy, C2 to C4 alkenyl, halogen, hydroxyl, -NH-C(O)-CH3, or -O-C6H5. |