1,2-Dichloro-3-butene 1,2-Dichloro-3-butene (racemic mixture) 1-Butene, 3,4-dichloro- 1-Butene, 3,4-dichloro- (racemic mixture) 1-Butene, 3,4-dichloro-, (+-)- 3,4-DICHLORO-1-BUTENE 3,4-Dichlorobut-1-ene 3,4-Dichlorobutene-1 3,4-Dichlorobutene-1 (racemic mixture) 4-01-00-00772 (Beilstein Handbook Reference) 64037-54-3 760-23-6 BRN 1739135 EINECS 212-079-0 HSDB 5751