2-Butenoic acid, 2,3-dibromo-4-oxo-, (2Z)- 2-Butenoic acid, 2,3-dibromo-4-oxo-, (Z)- (9CI) 488-11-9 AI3-16061 Bromomucic acid CCRIS 6704 EINECS 207-670-5 Malealdehydic acid, dibromo- (8CI) Mucobromic acid NSC 12426