RR-11a analog (aza-peptide Michael acceptor, 7a) is an inhibitor of asparaginyl endopeptidase with IC50s of 4.5 nM, 4.5 nM and 31 nM for AE1 in Trichomonas Vaginalis, AE in Ixodes ricinus and AE in Schistosoma mansoni, respectively.

Metronidazole (Metronidazol) is a synthetic nitroimidazole derivative with antiprotozoal and antibacterial activities.

Fexinidazole (HOE 239) is an antiparasitic agent. It has activity against Trypanosoma cruzi, Tritrichomonas foetus, Trichomonas vaginalis, Entamoeba histolytica, Trypanosoma brucei, and Leishmania donovani. The biologically relevant active metabolites in vivo are the sulfoxide and sulfone.

Metronidazole hydrochloride (SC 326421), an orally active nitroimidazole antibiotic, is effective for researching anaerobic infections. This compound is capable of crossing the blood-brain barrier and may cause inflammation and skeletal muscle contraction with long-term use [1] [2] [3] [4].