298-12-4 Acetic acid, oxo Acetic acid, oxo- (9CI) CCRIS 1455 Formic acid, formyl Formylformic acid Glyoxalic acid Glyoxylic acid Glyoxylic acid (8CI) HSDB 5559 Oxalaldehydic acid Oxoacetic acid Oxoethanoic acid acetic acid, oxo- alpha-Ketoacetic acid glyox glyoxalate