| 摘要 |
<p>Compounds of formula (I), wherein R represents a C1-12 straight-chain alkyl radical which may comprise one or more halogen atoms; a C3-12 branched-chain alkyl radical which may comprise one or more halogen atoms; a C2-8 alkenyl radical; or a C1-4 alkyl radical comprising an aromatic core; R' represents a hydrogen atom or an alkoxycarbonyl grouping of formula (a); wherein R1 represents a C1-6 alkyl radical; and X represents an oxygen atom or a (b) grouping; the cosmetically or pharmaceutically acceptable acid addition salts thereof, and the use thereof for treating hair loss.</p> |
