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US07790732B2 5-Chloro-4-alkyl-3,4-dihydro-quinazolin-2-ylamine derivatives 失效
5-氯-4-烷基-3,4-二氢 - 喹唑啉-2-基胺衍生物

5-Chloro-4-alkyl-3,4-dihydro-quinazolin-2-ylamine derivatives
Abstract:
The present invention relates to compounds of formula I wherein R1, R2, R3 are as described in the specification and pharmaceutically acceptable acid addition salts and tautomers thereof. Compounds of formula I have good activity on the 5-HT5A receptor. Therefore, the invention provides a method for treating diseases related to this receptor, for example, anxiety, depression, sleep disorders and schizophrenia.
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