| 摘要 |
Disclosed is a compound of formula (I), geometrical isomers, enantiomers, diastereoisomers, pharmaceutically acceptable salts and all possible mixtures thereof, wherein A is a amino group which is linked to the cyclobutyl group via an amino nitrogen; A1 is CH, C-halogen or N; B is selected from the group consisting of heteroaryl, heterocycloalkyl and cycloalkyl; X is O, S, NH or N(alkyl); Y is O, S, or NH; R1 and R2 is defined in the specification, n is equal to 0,1,2 or 3, m is equal to 0 or 1; and R3 is hydrogen or alkyl or halogen or alkoxy. Also disclosed are compositions comprising said compound.
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