| 摘要 |
<p>Compounds of general formula (I) in which: R1 is a simple phenyl group or a phenyl group mono- or di-substituted with chlorine; R2 is H or CH3; R3 is a heterocyclic spiro ring group; s is 1 or 2; R4 and R5 are selected independently from H, phenyl and linear or branched alkyl or alkoxyalkyl groups containing from 1 to 6 carbon atoms or together form a cyclic, bicyclic or spiro bicyclic ring group containing from 5 to 11 carbon atoms overall; X is S (sulphur) or O (oxygen); R6 and R7 are independently H or CH3; z is 1 or 2; u is 0 (zero) or 1; t is a whole number from 0 to 2.</p> |
