| abstract |
Substituted 3-aminosydnonimines of the formula I. and their pharmacologically acceptable acid addition salts, wherein A the rest -SO-, R¹ is -COR² or hydrogen, R², for example (C₁ to C₄) alkyl, have valuable pharmacological properties and can be prepared by reacting a compound of formula I, wherein A = -S-, with an oxygen-donating substance. |