Patent ID: 7432388

Claim:
A compound of the formula wherein R 1 is methyl; R 4 is independently H, halogen, alkyl of 1 to 10 carbons, fluoro substituted alkyl of 1 to 6 carbons, alkoxy of 1 to 10 carbons, or alkylthio of 1 to 10 carbons; R 5 is methyl; n is an integer having the value 0 thereby making (R 2 ) n absent; r is an integer having the value 1; A is (CH 2 ) q where q is 0, thereby making A absent; B is COOH or COOR 8 , where R 8 is an alkyl group of 1 to 10 carbons or trimethylsilylalkyl where the alkyl group has 1 to 10 carbons, or a cycloalkyl group of 5 to 10 carbons, CH 2 OCH 3 or CH 2 OCH 2 OOC 1-6 alkyl, or R 8 is phenyl or C 1-6 alkylphenyl, or a pharmaceutically acceptable salt of said compound.