124959-55-3 4,6-Dithienyl-2(4-Morpholino)Pyr 4-[4,6-Bis(2-thienyl)-pyrimidin-2-yl]morpholine - unfused tricyclic pyrimidine derivative AIDS-001940 AIDS001940 Morpholine, 4-(4,6-di-2-thienyl-2-pyrimidinyl)-