1-(2-Oxo-1,2,3,4-tetrahydroisoquinolin-2-yl)urea 1-(3-Oxo-1,2,3,4-tetrahydroisoquinolin-2-yl)urea 2-Ureido-1,4-dihydroisoquinolin-3(2H)-one 39113-24-1 BRN 1469953 Urea, (3,4-dihydro-3-oxo-2(1H)-isoquinolinyl)- Urea, 1-(3-oxo-1,2,3,4-tetrahydroisoquinolin-2-yl)-