abstract |
Compounds of the formula ##STR1## wherein R 1 is a substituted alkoxy group, or an optionally substituted mercapto or amino group, n R 2 is a cyclic imino group, n R 3 is hydrogen, phenyl, alkyl or acyl, and n n is 2 or 3, n and non-toxic, pharmacologically acceptable acid addition salts thereof; the compounds as well as their salts are useful as antithrombotics. |