1,4-Dihydro-7-methoxy-4-methyl-5H-1,2,4-benzotriazepin-5-one 5-26-06-00461 (Beilstein Handbook Reference) 5H-1,2,4-Benzotriazepin-5-one, 1,4-dihydro-7-methoxy-4-methyl- 63931-69-1 BRN 0646495