| 摘要 |
Disclosed are compounds useful in treating psychotic disorders such as schizophrenia and other central nervous system diseases, where the compounds have general Formula I: wherein: Ar represents an aryl or heteroaryl group; R1 and R2 independently represent hydrogen, halogen, C1-C6 alkyl, C1-C4 alkoxy, C1-C4 alkylthio, hydroxy, amino, mono- or di(C1-C6)alkyl amino, cyano or trifluoromethyl; and R5 represents hydrogen or C1-C6 alkyl.
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