Patent ID: 7405211

Claim:
A compound having the following formula (II): wherein R and R 2 are independently H, OH, F, Cl, Br, I, C 1 -C 6 alkyl, aryl or (CH 2 ) n -aryl; R 12 is C 3 -C 6 cycloalkyl, CH═CH-aryl, C≡ C-aryl, (CHR 3 ) n -aryl, NR 3 -cycloalkyl, NR 3 —(CHR 3 ) n -aryl, (CHR 3 ) n —NR 3 -aryl, (CHR 3 ) n —NR 3 -cycloalkyl, (CHR 3 ) n —O-aryl, (CHR 3 ) n —O-cycloalkyl, O—(CHR 3 ) n -aryl, S—(CHR 3 ) n -aryl, 4-methylbenzensulfonate, or CO-aryl, wherein n is 0, 1, or 2 and alkyl, cycloalkyl or aryl is optionally substituted with F, Cl, Br, I, CN, CO 2 H, CO 2 R 3 , NO 2 , CF 3 , substituted or unsubstituted C 1 -C 6 alkyl, substituted or unsubstituted cycloalkyl, substituted or unsubstituted aryl, OCF 3 , OR 3 , OSO 2 -aryl, substituted or unsubstituted amine, NHCOR 3 , NHSO 2 R 3 , CONHR 3 , or SO 2 NHR 3 ; and R 3 is H, or substituted or unsubstituted C 1 -C 6 alkyl, substituted or unsubstituted aryl.