Carboximidamide derivatives.

摘要

Novel carboximidamide derivatives represented by the following formula (A) and acid adduct salts thereof are disclosed: wherein all the substituents have the same meanings as defined above. N-cyano-pyridinecarboximidate compounds represented by the following formula (II) whiich are the intermediates for preparing of N-cyano-N min -substituted-pyridinecarboximidamide derivatives wherein the substituent B in the above described formula (A) is pyridine are also disclosed: 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.