abstract |
The present invention provides compounds represented by structural formula I: In formula I, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, R13 and R14 are respectively independently H or deuterium (D); meanwhile, R1, R2, R3, At least one of R4, R5, R6, R7, R8, R9, R10, R11, R12, R13 and R14 must be D. Use of any of the compounds, or a pharmaceutical composition thereof, in the preparation of a medicament for treating anxiety disorders. |