| http://www.w3.org/ns/prov#value | - In another embodiment of this aspect, compounds of the present invention are described by Formula (I) and pharmaceutically acceptable salts thereof, wherein A is cyclohexenyl, X is a direct bond, R1 is aryl optionally substituted with 1-3 independent C1-4alkyl, NO2, COOH, or ???NH(C0-4alkyl)-aryl substituents, and the other variables are as defined above for Formula (I).
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