181305-32-8 AIDS-033460 AIDS033460 N-[2-(2-Cyano-3-ethoxy-6-fluorophenethyl)]-N'-[2-(5-bromopyridyl)]thiourea PETT deriv. Thiourea, N-(5-bromo-2-pyridinyl)-N'-[2-(2-cyano-3-ethoxy-6-fluorophenyl)ethyl]-