| 摘要 |
<p>A compound of formula (I), wherein: R represents hydrogen, optionally substituted alkyl or alkenyl group, R1 to R8, which may be identical or different, each represents hydrogen, optionally substituted alkyl, hydroxy, acyloxy, optionally substituted amino, carboxy, optionally substituted alkoxy, or alkenyloxy, or one of R1 to R8 forms, with another of R1 to R8 that is adjacent, an alkylenedioxy group, X represents oxygen or NR16, wherein R16 represents hydrogen, alkyl, aryl or arylalkyl, R9 represents hydrogen, aryl, heteroaryl, or optionally substituted saturated or unsaturated alkyl group, their isomers and an addition salt thereof with a pharmaceutically acceptable acid or base, a process for their preparation and pharmaceutical compositions containing them.</p> |
