发明授权
US08227501B2 1,6-dihydro-2H-3-oxa-6-aza-as-indacene compounds 失效
1,6-二氢-2H-3-氧杂-6-氮杂 - 引达未烯化合物

1,6-dihydro-2H-3-oxa-6-aza-as-indacene compounds
摘要:
The invention provides new compounds of formula (I) wherein R1, R2, R3, R4, and X have different meanings. Preparative processes, pharmaceutical compositions, and uses thereof in the treatment or prevention of conditions mediated by melatonin receptors are also provided.
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