The invention relates to the bis-hydrochloride of 4,4'-dithiobis-(3-aminobutane-1-sodium sulphonate) and the bis-trifluoracetate of 4,4'-dithiobis-(3-aminobutane-1-sulphonate of 2,2-dimethylpropyl). The invention also relates to a pharmaceutical composition comprising one of said compounds and to the use of one of said compounds for the production of a medicament. The invention is suitable for use in a treatment method for hypertension and indirectly- or directly-linked illnesses.