The present invention relates to the compounds of formula (I). ##STR1## wherein R.sup.1 is C.sub.1-8 alkyl, C.sub.2-8 alkenyl, C.sub.5-8 cycloalkyl, aryl-C.sub.1-4 alkyl, aryl or heteroaryl; or aryl or heteroaryl which is mono-, di-, or trisubstituted independently with halogen, nitro, C.sub.1-4 alkyl, C.sub.1-4 alkoxy, trifluoromethyl, amino or C.sub.1-4 alkyl mono or disubstituted amino, pharmaceutical formulations containing these compounds and their use as vasodilators in the treatment of cardiovascular disorders.
本发明涉及式(I)的化合物。其中R.sup.1为C.sub.1-8烷基,C.sub.2-8烯基,C.sub.5-8环烷基,芳基-C.sub.1-4烷基,芳基或杂环芳基;或者芳基或杂环芳基独立地与卤素,硝基,C.sub.1-4烷基,C.sub.1-4烷氧基,三
氟甲基,
氨基或C.sub.1-4烷基单取代或双取代
氨基进行单取代,二取代或三取代;包含这些化合物的药物制剂以及它们作为血管扩张剂在治疗心血管疾病中的用途。