the 5-nitroimidazoles tinidazole ( fasigyn ) , ipronidazole ( ro-7-1554 ) , panidazole and ornidazole ( tiberal , ro-7-0207 ) in concentrations of 0.02 -- 1 mm per liter increased the mutation frequency of klebsiella pneumoniae .
C0040263
tinidazole
C0591480
fasigyn