181305-49-7 AIDS-033427 AIDS033427 N-[2-(-2,6-Difluoro-4-(dimethylamino)phenethyl)]-N'-[2-(5-chloropyridyl)]thiourea PETT deriv. Thiourea, N-(5-chloro-2-pyridinyl)-N'-[2-[4-(dimethylamino)-2,6-difluorophenyl]ethyl]-