Nitropyrazole compounds and anti-microbial compositions

摘要

New nitropyrazole compounds of the formula <IMAGE> wherein R1 is alkyl or hydroxyalkyl R2 and R3, which may be the same or different, are alkyl or R2 and R3 together represent a 4- or 5-membered alkylene bridge which is optionally interrupted by an oxygen atom or by the grouping >N-R, in which R is an alkyl or hydroxyalkyl radical; AND THE PHARMACOLOGICALLY COMPATIBLE SALTS THEREOF, POSSESS EXCELLENT ANTI-MICROBIAL ACTION NOT ONLY IN VITRO BUT ALSO IN VIVO, ESPECIALLY SYSTEMICALLY.