1-Acetyl-2-(2-quinoxalinylmethylene)hydrazine 1,4-dioxide 5-24-03-00425 (Beilstein Handbook Reference) 6795-27-3 Acetic acid, (2-quinoxalinylmethylene)hydrazide Acetic acid, (2-quinoxalinylmethylene)hydrazide, N,N'-dioxide Acetic acid, 2-(2-quinoxalinylmethylene)hydrazide, 1,4-dioxide BRN 0889526 CCRIS 3000