Trypanosoma cruzi article epimastigote nifurtimox trypanosoma cruzi Animals Trypanocidal Agents Trypanosoma benznidazole chagas disease drug structure drug synthesis fenoxycarb nonhuman structure activity relation unclassified drug 3,7 dimethylocta 2,6 dien 1 yl ethylcarbamate 3,7 dimethylocta 2,6 dien 1 yl tetrahydro 2h pyran 2 yl ether 3,7,11 trimethyldodeca 2,6,10 trien 1 yl ethylcarbamate 3,7,11 trimethyldodeca 2,6,10 trien 1 yl tetrahydro 2h pyran 2 yl ether 4 benzoylphenyl prop 2 en 1 yl ether 4 phenoxyphenoxyethyl thiocyanate Animalia Drug Design Drug Evaluation, Preclinical Dysdercus Galleria mellonella Insecta Magnetic Resonance Spectroscopy Mass Spectrometry