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US06498255B2 Heterocyclic-cyclic amine derivatives as cholinesterase inhibitors 失效
杂环胺衍生物作为胆碱酯酶抑制剂

Heterocyclic-cyclic amine derivatives as cholinesterase inhibitors
摘要:
Compounds of the formula wherein R1 R2, R7, R8, X, Y, M and L are defined as below. The compounds of formula I are cholinesterase inhibitors and are useful in enhancing memory in patients suffering from. dementia and Alzheimer's disease.
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