149488-75-5 AIDS-033436 AIDS033436 N-[2-(Benzotriazol-2-yl)ethyl]-N'-[2-(5-bromopyridyl)]thiourea PETT deriv. Thiourea, N-[2-(2H-benzotriazol-2-yl)ethyl]-N'-(5-bromo-2-pyridinyl)-