2-Hydroxymethylquinoxaline 3-carboxylic acid di-N-oxide 2-Quinoxalinecarboxylic acid, 3-(hydroxymethyl)-, 1,4-dioxide 3-(Hydroxymethyl)-2-quinoxalinecarboxylic acid 1,4-dioxide 5-25-06-00293 (Beilstein Handbook Reference) 71320-70-2 BRN 0961389