Patent ID: 7244866

Claim:
A composition comprising a compound of Formula (I) wherein: R 1 and R 2 are independently selected from the group consisting of hydrogen, lower alkyl, and alkyldiyl wherein R 1 and R 2 are taken together with the atoms to which they are attached to form a monocyclic ring; R 3 and R 4 are independently selected from the group consisting of hydrogen, lower alkyl, C 3-7 cycloalkyl, and alkyldiyl wherein R 3 and R 4 are taken together with the atoms to which they are attached to form a monocyclic ring; Y is hydrogen, lower alkyl, lower alkoxy, halogen, or trifluoromethyl; and pharmaceutically acceptable enantiomers, diastereomers, tautomers, solvates and salts thereof.