The invention relates to compounds of the formula (I) ##SPC1## and their pharmaceutically acceptable acid addition salts. In the formula R.sup.1 and R.sup.2 are each hydrogen, hydroxyl, lower alkyl, lower alkoxy, trifluoromethyl or halogen. The compounds have hypotensive activity. Some also have hypoglycaemic activity.
本发明涉及公式(I)的化合物及其药学上可接受的酸盐。在公式中,R1和R2分别为氢、羟基、低碳基、低烷氧基、三
氟甲基或卤素。这些化合物具有降压活性,其中一些还具有降血糖活性。