Patent ID: 8710236

Claim:
A compound of formula: wherein: R 44 is H, CH 3 , or CH 3 CH 2 ; R 45 is C 1 -C 6 alkyl, alkenyl, alkoxy, C 3-6 cycloalkyl, aryl, phenyl, or C 4-8 cycloalkenyl, any of which can be optionally substituted with one or more substituents; L is phenyl, indenyl, benzofuran-2-yl, or benzoxazol-2-yl, optionally substituted with one or more substituents selected from H, F, Cl, CH 3 , CF 3 , OCF 3 , or CN; and R 46 is H, F, Cl, CH 3 , CF 3 , OCF 3 , or CN.