Patent ID: 7381740

Claim:
A composition comprising: where R 4 is selected from the group consisting of hydrogen, fluorine, chlorine, bromine, iodine, phenyl, 4-fluorophenyl, 4-bromophenyl, 4-(trifluoromethyl)phenyl and where R 1 , R 2 and R 3 are independently chosen from the group consisting of hydrogen, alkyl, cycloalkyl, haloalkyl, phenyl, alkoxyalkyl, carboxyalkyl, alkoxycycloalkyl, carboxycycloalkyl, alkoxyhaloalkyl, carboxyhaloalkyl, alkoxyphenyl, carboxyphenyl, alkylesteralkyl, cycloakylesteralkyl, alkylestercycloalkyl, alkylesterphenyl, phenylalkylester and alkoxyarylalkyl, alcohols, and an aqueous pharmaceutical carrier.