Trypanosoma cruzi 32 amastigote nonhuman 28 article 26 Animals 24 unclassified drug 24 controlled study 22 priority journal 16 drug synthesis 14 Chagas disease 12 epimastigote 12 Antiprotozoal Agents 10 Mice 10 Structure-Activity Relationship 10 animal cell 10 antiprotozoal activity 10 drug screening 10 enzyme activity 10 enzyme inhibition 10 mouse 10 trypomastigote 10 Chagas Disease 8 IC 50 8 Male 8 Trypanocidal Agents 8 animal experiment 8 drug design 8 drug mechanism 8 male 8 mass spectrometry 8