Antihypertensive compounds comprising hydrazinopyridazine derivatives of the formula: ##STR1## wherein R is an alkyl radical containing from 1 to 4 carbon atoms or an alkyl radical having from 1 to 4 carbon atoms substituted with a hydroxy group and R.sub.1 is a hydrogen atom, an alkyl radical containing from 1 to 4 carbon atoms, a phenyl or 3-pyridyl group and their non-toxic pharmaceutically acceptable salts with inorganic or organic acids. Also pharmaceutical compositions containing the same.
抗高血压化合物包括式子为:##STR1## 的
肼吡嗪衍
生物,其中R是含有1-4个碳原子的烷基基团或含有1-4个碳原子的烷基基团,其上取代有一个羟基,R.sub.1是氢原子,含有1-4个碳原子的烷基基团,苯基或3-
吡啶基团,以及它们的无毒药学上可接受的无机或有机酸盐。此外还包括含有这些化合物的药物组合物。