| 摘要 |
The invention provides compounds of the formula wherein (a) is a single or double bond; W is CH, CH<SUB>2</SUB>, CHCH<SUB>3</SUB>, C(CH<SUB>3</SUB>)<SUB>2</SUB>, C(CH<SUB>2</SUB>)<SUB>2 </SUB>or C(CH<SUB>2</SUB>)<SUB>3</SUB>; X is N; and Y is H or F, and salts, hydrates, tautomers, pure enantiomers, and enantiomeric mixtures; and a method of treating schizophrenia comprising administering same.
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