1,4-dihydro-2H-isoquinoline-3-one, 1,2-dihydroisoquinolin-3-one, 1,2,3,4-tetrahydro-isoquinolin-3-one, 1,4-Dihydro-2H-isoquinolin-3-one, 1,4-Dihydro-3(2H)-isoquinolinone, 1,2-dihydroisoquinolin-3(4H)-one, 1,4-Dihydro-2H-isochinolin-3-on, 1,4-dihydroisoquinolin-3(2H)-one