3 (4 methoxyphenoxy)phenoxyethyl thiocyanate 3 phenoxyphenoxyethyl thiocyanate 4 (3 methoxyphenoxy)phenoxyethyl thiocyanate 4 (3 nitrophenoxy)phenoxyethyl tetrahydro 2h pyran 2 yl ether 4 (3 nitrophenoxy)phenoxyethyl thiocyanate 4 (4 methoxyphenoxy)phenoxyethyl thiocyanate 4 (pyridin 3 yloxy)phenoxyethyl tetrahydro 2h pyran 2 yl ether 4 (pyridin 3 yloxy)phenoxyethyl thiocyanate 4 phenoxyphenoxyethyl thiocyanate Antiparasitic Agents Antiparasitic agents Chagas disease Dose-Response Relationship, Drug Drug Design Molecular Structure Parasitic Sensitivity Tests Phenyl Ethers Squalene synthase inhibitors Structure-Activity Relationship Thiocyanates Toxoplasma Toxoplasma gondii Toxoplasma gondii WC-9 analogs Toxoplasmosis Trypanosoma cruzi WC-9 analogs antiparasitic agent antiproliferative activity article atovaquone