1,2,4-Benzotriazin-3-amine, 1,4-dioxide 1,2,4-Benzotriazine, 3-amino-, 1,4-dioxide 27314-97-2 3-Amino-1,2,4-benzotriazine 1,4-dioxide 3-Amino-1,2,4-benzotriazine-1,4-dioxide 4-26-00-01120 (Beilstein Handbook Reference) BRN 0179322 SR 4233 TIRAPAZAMINE Tirapazamine [USAN:INN] WIN 59075