1,3-DICHLORO-2-METHYLPROPENE 1,3-Dichloro-2-methyl-1-propene 1,3-Dichloroisobutylene 1-Propene, 1,3-dichloro-2-methyl- (9CI) 3-Chloro-2-methylchloropropene 3375-22-2 Propene, 1,3-dichloro-2-methyl-