| 摘要 |
<p>The invention is directed to a compound, a salt or a solvate thereof according to (I) wherein R1 is an optionally branched fluoroalkyl group or [18F]fluoroalkyl group, R2, R3, R4 and R5 are eacn independently a methyl, [3H]methyl, fluoroalkyl or [18F]fluoroalkyl group, and R6 is a (R)-cyano group or a (S)-cyano group; or wherein R1 is a methyl group, and R3 is a R3 is a fluoroalkyl group or a [18F]fluoroalkyl group, R2, R4 and R5 are each independently a methyl, [3H]methyl, fluoroalkyl or [18F]fluoroalkyl group, and R6 is a (R)-cyano group or a (S)-cyano group; or wherein if R1 is hydrogen, at least one of R2, R3, R4 is an optionally branched fluoroalkyl group or [18F]fluoroalkyl group.</p> |
