16915-79-0 2-(Hydroxymethyl)-3-methyl-1.lambda.~5~,4.lambda.~5~-quinoxaline-1,4-diol 2-(Hydroxymethyl)-3-methylquinoxaline N, N'-dioxide 2-Quinoxalinemethanol, 3-methyl-, 1,4-dioxide 3-Methyl-2-quinoxalinemethanol 1,4-dioxide 3-Methyl-2-quinoxalinylmethanol N(sup1),N(sup4)-dioxide AIDS-129522 AIDS129522 GS-7443 Mequidox NSC352521