1-(5-Bromo-pyridin-2-yl)-3-[2-(5,7-dioxo-5,7-dihydro-pyrrolo[3,4-b]pyridin-6-yl)-ethyl]-thiourea AIDS-092468 AIDS092468 N-[2-(2,3-Pyridinedicarboximido)ethyl]-N'-[2-(5-bromopyridyl)]thiourea