1-Propene, 1,3-dichloro-2-methyl-, mixed with 1,3-dichloro-2-methylpropane and 3,3-dichloro-2-methyl-1-propene 8065-92-7 DDB Propane, 1,3-dichloro-2-methyl-, mixt. with 1,3,dichloro-2-methyl-1-propene and 3,3-dichloro-2-methyl-1-propene