The present invention relates to compounds of the general formula ##SPC1## In which R represents the hydrogen atom, a halogen atom, a lower alkyl group or a lower alkoxy group; R.sub.1 represents the hydrogen atom, a lower alkyl group, preferably methyl, or an aralkyl group; A represents an alkylene group; and R.sub.0 represents the hydrogen atom or an acyl group; and their acid addition salts as new industrial products. These new products are suitable for use in the treatment of cardiac disorders.
本发明涉及一般式为##
SPC1##的化合物,其中R代表
氢原子、卤素原子、低烷基或低烷
氧基;R.sub.1代表
氢原子、低烷基,特别是
甲基,或芳基烷基;A代表烷基烷基;R.sub.0代表
氢原子或酰基基团;以及它们的酸加成盐作为新的工业产品。这些新产品适用于治疗心脏疾病。