130604-31-8 1H-1,4,7-Benzotriazonine-2,5-dione, 3,4,6,7-tetrahydro-4-(4-ethoxyphenyl)- 3,4,6,7-Tetrahydro-4-(4-ethoxyphenyl)-1H-1,4,7-benzotriazonine-2,5-dione BRN 4763744