Abstract: A compound having the general formula wherein A is selected from the group consisting of to the formation of a compound of the general formula (1) and a compound of the general formula (2) respectively, and pharmaceutically acceptable salts thereof, wherein R1 is a member selected from the group consisting of CF3, OSO2CF3, OSO2CH3, SOR4, SO2R4, COR4, CN, OR4, NO2, CONHR4, 3-thiophene, 2-thiophene, 3-furane, 2-furane, F, Cl, Br and I, wherein R4 is as defined below; R2 is a member selected from the group consisting of H, F, Cl, Br, I, CN, CF3, CH3, OCH3, OH, NH2, SOmCF3, O(CH2)mCF3, SO2N(R4)2, CH?NOR4, COCOOR4, COCOON(R4)2, (C1-C8)alkyl, (C3-C8)cykloalkyl, CH2OR4, CH2(R4)2, NR4SO2CF3, NO2, at phenyl at positions 2, 4, 5 or 6, wherein x and R4 are as defined below; R3 is a member selected from the group consisting of hydrogen, CF3, CH2CF3, (C1-C8)alkyl, (C3-C8)cykloalkyl, (C4-C9)cycloalkylmethyl, (C2-C8)alkenyl, (C2-C8)alkynyl, 3,3,3-tri-fluoropropyl, 4,4,4-trifluorobutyl, CH2SCH3, CH2CH2OCH

Abstract: A compound having the general formula wherein A is selected from the group consisting of to the formation of a compound of the general formula (1) and a compound of the general formula (2) respectively, and pharmaceutically acceptable salts thereof, wherein R1 is a member selected from the group consisting of CF3, OSO2CF3, OSO2CH3, SOR4, SO2R4, COR4, CN, OR4, NO2, CONHR4, 3-thiophene, 2-thiophene, 3-furane, 2-furane, F, Cl, Br and I, wherein R4 is as defined below; R2 is a member selected from the group consisting of H, F, Cl, Br, I, CN, CF3, CH3, OCH3, OH, NH2, SOmCF3, O(CH2)mCF3, SO2N(R4)2, CH?NOR4, COCOOR4, COCOON(R4)2, (C1-C8)alkyl, (C3-C8)cykloalkyl, CH2OR4, CH2(R4)2, NR4SO2CF3, NO2, at phenyl at positions 2, 4, 5 or 6, wherein x and R4 are as defined below; R3 is a member selected from the group consisting of hydrogen, CF3, CH2CF3, (C1-C8)alkyl, (C3-C8)cykloalkyl, (C4-C9)cycloalkylmethyl, (C2-C8)alkenyl, (C2-C8)alkynyl, 3,3,3-tri-fluoropropyl, 4,4,4-trifluorobutyl, CH2SCH3, CH2CH2OCH3,