申请人:Ciba-Geigy Corporation
公开号:US04772738A1
公开(公告)日:1988-09-20
The compounds of the formula ##STR1## in which one of the groups R.sup.1, R.sup.2 and R.sup.3 represents hydrogen, C.sub.1-8 -alkyl, C.sub.3-6 -cycloalkyl, phenyl optionally substituted by halogeno, C.sub.1-4 -alkyl, C.sub.1-4 -alkoxy and/or trifluoromethyl, or C.sub.7-10 -phenylalkyl optionally substituted in the phenyl moiety by halogeno, C.sub.1-4 -alkyl, C.sub.1-4 -alkoxy and/or trifluormethyl, and the other two are hydrogen, or salts thereof. These compounds have valuable pharmaceutical properties.
式子为##STR1##的化合物,其中R.sup.1、R.sup.2和R.sup.3中的一个代表氢,C.sub.1-8-烷基,C.sub.3-6-环烷基,苯基,该苯基可选用卤代基,C.sub.1-4-烷基,C.sub.1-4-烷氧基和/或三氟甲基,或C.sub.7-10-苯基烷基,该苯基烷基中的苯基可选用卤代基,C.sub.1-4-烷基,C.sub.1-4-烷氧基和/或三氟甲基,而另外两个是氢,或其盐。这些化合物具有有价值的药物特性。