| 摘要 |
<p>Compounds of the general formula (I): 0N¦ PARALLEL N ¦CONH ANGLE PARALLEL N N¦ (I) H and pharmaceutically acceptable salts thereof in which: R1 represents a hydrogen atom, an alkyl group, or the group OR3 where R3 is a hydrogen atom or an acyl group, or an alkenyl group or an alkyl group which alkyl group may optionally be substituted by amino, alkylamino, dialkylamino, alkylaralkylamino, aryl, aryloxy, acyloxy, alkoxy, hydroxy or tetrahydropyranyloxy groups; and up to 3 groups R1, which may be the same or different, are present; and R2 represents a hydrogen atom or an alkyl group. The compounds have utility for the treatment of conditions in which combination of an antigen with a reaginic anitbody is primarily responsible.</p> |
