1,3-Dichloro-2-methylenepropane 1-Propene, 3-chloro-2-(chloromethyl)- 1871-57-4 2-Chloromethyl-3-chloropropene 2-Methylene-1,3-dichloropropane 2-Methylenepropane-1,3-dichloride 3-Chloro-2-(chloromethyl)propene NSC88138 Propene, 3-chloro-2-(chloromethyl)-