3,3-Dimethylacryloyl chloride, 3,3-Dimethylacrylyl chloride, 3,3-dimethylacrylic acid chloride, 3-methyl-2-butenoyl chloride, 3,3-dimethylpropenoylchloride, 2-Butenoyl chloride, 3-methyl-, 3-methylcrotonic acid chloride, 3-methyl-but-2-en-1-oyl chloride, Senecioyl chloride, 3-Methylcrotonoyl chloride