| abstract |
Pharmaceutical compositions containing as an active ingredient a compound of the formula <IMAGE> wherein R1 is hydrogen or methyl, Ar is phenyl, 2-pyridyl, 6-methyl-2-pyridyl, 2-quinolyl, 1-methyl-benzimidazol-2-yl, 2-pyrazinyl or 3-methyl-isoxazol-5-yl, and R2 is dimethylamino, monomethylamino or morpholino, OR A NON-TOXIC, PHARMACEUTICALLY ACCEPTABLE ACID ADDITION SALT THEREOF; AND A METHOD OF USING THE SAME AS ANTIARRHYTHMICS. |