| 摘要 |
The invention provides antifungal agents of the formula: <IMAGE> (I) and their pharmaceutically acceptable salts, wherein R is phenyl optionally substituted by 1 to 3 substituents each independently selected from halo and CF3; R1 is C1-C4 alkyl; R2 is H or C1-C4 alkyl; and "Het", which is attached to the adjacent carbon atom by a ring carbon atom, is selected from pyridinyl, pyridazinyl, pyrimidinyl, pyrazinyl and triazinyl, "Het" being optionally substituted by C1-C4 alkyl, C1-C4 alkoxy, halo, CF3, CN, NO2, NH2, -NH(C1-C4 alkanoyl) or -NHCO2(C1-C4 alkyl).
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