| 摘要 |
<p>Compounds of the formula and pharmaceutically acceptable acid addition salts thereof in which R in an aliphatic, aromatic or heterocyclic acyl group, a phosphoryl group, an alkyl group having at least two carbon atoms or an amino-alkyl group, which compounds are useful in the field of dermatology, particularly the treatment of leucodermia and psor?asis.</p> |
