Patent ID: 8557823

Claim:
A compound or an optical isomer or stereoisomer or racemic mixture thereof, the compound having the Formula: wherein Ar 1 is substituted or unsubstituted and is selected from the group consisting of phenyl, 2-pyridyl, 3-pyridyl, 4-pyridyl, 3,5-pyrimidinyl, and 2,4-pyrimidinyl, wherein Ar 1 substitutions are selected from the group consisting of H, F, Cl, OH, alkyl, O-alkyl, amino, alkylamino, carboxyl, aminocarbonyl, alkylaminocarbonyl, and combinations thereof; Y 6 , Y 11 and Y 12 , are independently selected from the group consisting of N and CR, wherein when one of Y 6 , Y 11 , or Y 12 is N, the other two are CR; Y 17 , Y 18 , and Y 19 are independently selected from the group consisting of N and CR, wherein when one of Y 17 , Y 18 , or Y 19 is N, the other two are CR; each of Y 7 , Y 8 , Y 9 , Y 10 , Y 13 , Y 14 , Y 15 , and Y 16 is CR; and each R is independently selected from the group consisting of H, F, OH, alkyl, amino, alkylamino, carboxyl, aminocarbonyl, alkylaminocarbonyl, and combinations thereof.