2-Butenedioic acid, (Z)-, mono(2,2-dimethylhydrazide) 2573-06-0 AI3-50726 C 011 CO 11 Maleic 1,1-dimethylhydrazide Maleic acid, mono(2,2-dimethylhydrazide) (8CI) N-Dimethylaminomaleamic acid NSC 82238