| 摘要 |
Compounds of formula I and their salts and solvates in which Ar is a phenyl group optionally substituted by one or more halogen and/or trifluoromethyl groups, R1 is a C1- C4 alkyl group, R2 is hydrogen or a C1-C4 alkyl group, or R1 together with R2 form a C2-C4 polymethylene chain, R3 represents cyano, halogen, C1-C4 haloalkyl or C1-C4 haloalkoxy, and R4 represents hydrogen or C1-C4 alkyl. These compounds are useful as antifungal agents. Processes for obtaining them and pharmaceutical compositions containing them are also described. <IMAGE>
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