181305-26-0 AIDS-033143 AIDS033143 N-[2-(2-Chloro-3-ethoxy-6-fluorophenethyl)]-N'-[2-(5-chloropyridyl)]thiourea PETT deriv. Thiourea, N-[2-(2-chloro-3-ethoxy-6-fluorophenyl)ethyl]-N'-(5-chloro-2-pyridinyl)-