| 摘要 |
The invention is dealing with compounds of the formula: <IMAGE> I and pharmaceutically acceptable salts thereof, in which R1 and R2 each represent a lower alkyl radical or a phenyl radical, or, together with the carbon atom to which they are bound, a cycloalkyl radical having at the most 7 carbon atoms; R3 represents hydrogen, a lower alkyl radical, or the phenyl radical; R4 and R5 each represent a lower alkyl radical, or, together with the nitrogen atom to which they are bound, a heterocyclic amino radical such as the pyrrolidinyl or morpholino radicals; and R6 represents a lower alkyl radical, a phenyl radical, a benzyl radical, or the 1-ethynyl-cyclohexyl radical, which compounds can be used in the treatment of angina pectoris. |
