| 摘要 |
<p>Novel azacyclic derivatives of formula (I), in which R1 and R2 are each linear or branched alkyl, cycloalkyl, cycloalkylalkyl, alkenyl, cycloalkenyl or alkynyl; R3 and R4 are identical, and each is a hydrogen or alkyl; and R5 is hydrogen or alkyl. Process for their preparation and their use in medicine.</p> |
