181305-51-1 AIDS-033429 AIDS033429 N-[2-(2,4-Dichloro-3-ethoxy-6-fluorophenethyl)]-N'-[2-(5-bromopyridyl)]thiourea PETT deriv. Thiourea, N-(5-bromo-2-pyridinyl)-N'-[2-(2,4-dichloro-3-ethoxy-6-fluorophenyl)ethyl]-