1931-60-8 2,2-Methylenesuccinyl dichloride 2-Methylenesuccinyl chloride 3-02-00-01934 (Beilstein Handbook Reference) BRN 1928759 Butanedioyl dichloride, methylene- (9CI) EINECS 217-689-0 Itaconyl chloride NSC 89694 Succinyl chloride, methylene