2-Methyl-2-propenoyl chloride 2-Methylpropenoic acid chloride 2-Methylpropenoyl chloride 2-Propenoyl chloride, 2-methyl- 4-02-00-01537 (Beilstein Handbook Reference) 920-46-7 BRN 0878175 EINECS 213-058-9 HSDB 6331 METHACRYLOYL CHLORIDE Methacryl chloride Methacrylic acid chloride Methacrylic chloride Methacrylyl chloride Methylacryloyl chloride