1-(5-Bromo-pyridin-2-yl)-3-[2-(1-oxo-1H-pyrrolo[1,2-a]pyrazin-2-yl)-ethyl]-thiourea AIDS-092470 AIDS092470 N-[2-(6,7-Dihydro-4-oxopyrrolo[1,2-a]pyrazin-5-yl)ethyl]-N'-[2-(5-bromopyridyl)]thiourea