2-Butenamide, 3-methyl- 2-Isopropylideneacetamide 3,3-Dimethylacrylamide 3-Methylcrotonamide 4-02-00-01559 (Beilstein Handbook Reference) 4479-75-8 BRN 1741008 CROTONAMIDE, 3-METHYL- NSC 52511 Senecioic acid amide beta,beta-Dimethylacrylamide