181305-28-2 AIDS-033459 AIDS033459 N-[2-(2-Chloro-3-ethoxy-6-fluorophenethyl)]-N'-[2-(5-cyanopyridyl)]thiourea PETT deriv. Thiourea, N-[2-(2-chloro-3-ethoxy-6-fluorophenyl)ethyl]-N'-(5-cyano-2-pyridinyl)-