Patent ID: 8592413

Claim:
A compound represented by a formula: wherein a dashed line represents the presence or absence of a bond; G is —H, —Cl, —F, or —CN; R x is —(CH 2 ) 3 —, —CH═CHCH 2 —, —CH═C═CH—, —CH 2 OCH 2 —, —CH 2 SCH 2 —, —CH 2 NHCH 2 —, —(CH 2 ) 2 N(CH 3 )—, —(CH 2 ) 2 O—, or —(CH 2 ) 2 S—; R 4 is —H, —CH 3 , —CH 2 OH, —(CH 2 ) 2 OH, —CH 2 CH═CH 2 , or and B is phenyl substituted with from 0 to 4 substituents, each selected from C 2-8 alkyl, C 1-8 —O-alkyl, C 1-8 hydroxyalkyl, —OH, —F, —Cl, —Br, or —CF 3 .