Novel carboximidamide derivatives represented by the following formula (A) and acid adduct salts thereof are disclosed: ##STR1## wherein all the substituents have the same meanings as defined above. N-cyano-pyridinecarboxyimidate compounds represented by the following formula (II) which are the intermediates for preparing of N-cyano-N'-substituted-pyridinecarboximidamide derivatives wherein the substituent B in the above described formula (A) is pyridine are also disclosed: ##STR2## wherein all the substituents have the same meanings as defined above. The process for preparing the compounds, the pharmaceutical agents comprising the compound having vasodilating effect, and the therapeutic method of dosing the compound on patients for therapy are also disclosed.
本发明公开了以下式(A)所代表的新型
羧酸亚胺衍
生物及其酸加合物盐:##STR1## 其中所有取代基的含义与上述定义相同。本发明还公开了以下式(II)所代表的N-
氰基吡啶羧酸亚胺化合物,它们是制备N-
氰基-N'-取代
吡啶羧酸亚胺衍
生物中取代基B为
吡啶的中间体:##STR2## 其中所有取代基的含义与上述定义相同。本发明还公开了制备这些化合物的方法,包括具有扩血管作用的化合物的制药剂以及在治疗中对患者进行化合物剂量的治疗方法。