139593-75-2 1H-1,4,7-Benzotriazonine-2,5-dione, 3,4,6,7-tetrahydro-4-phenyl- 3,4,6,7-Tetrahydro-4-phenyl-1H-1,4,7-benzotriazonine-2,5-dione BRN 4756415