181305-47-5 AIDS-033425 AIDS033425 N-[2-(6-Chloro-3-ethoxy-6-fluorophenethyl)]-N'-[2-(5-bromopyridyl)]thiourea PETT deriv. Thiourea, N-(5-bromo-2-pyridinyl)-N'-[2-(6-chloro-3-ethoxy-2-fluorophenyl)ethyl]-