1 30G 3,5-dihydro[1,2,4]triazino[3,4-C][1,4]benzoxazin-2(1h)-one 1.000 2 53Y Pyrrolo[1,2-a]quinoxalin-4(5h)-one 0.706 3 YEZ [1]benzofuro[2,3-D]pyridazin-4(3h)-one 0.706