. . . "From the above discussion of substituents, one of skill in the art will understand that the term ???alkyl??? is meant to include groups including carbon atoms bound to groups other than hydrogen groups, such as haloalkyl (e.g., ???CF3 and ???CH2CF3) and acyl (e.g., ???C(O)CH3, ???C(O)CF3, ???C(O)CH2OCH3, and the like)." .