The subject matter of the present patent application is, in addition, new diaminopyrazol derivatives such as 3,4-diamino-1-methylpyrazol and diaminopyrazol derivatives of the general formula (II) ##STR3## wherein R5 is a benzyl group, R6 and R8 are identical or different and designate hydrogen, alkyl with 1 to 4 carbon atoms, hydroxyalkyl with 2 to 4 carbon atoms, benzyl or phenyl, and R7 is hydro