1,4-Dihydro-4-(2,6-dimethylphenyl)-5H-1,2,4-benzotriazepin-5-one 5-26-04-00345 (Beilstein Handbook Reference) 5H-1,2,4-Benzotriazepin-5-one, 1,4-dihydro-4-(2,6-dimethylphenyl)- 63931-74-8 BRN 0543600