1-Butene, 2,3,4-trichloro- 142888-86-6 2,3,4-TRICHLORO-1-BUTENE 2,3,4-Trichlorobut-1-ene 2,3,4-Trichlorobutene-1 2431-50-7 3-01-00-00725 (Beilstein Handbook Reference) BRN 1745897 Butene, 2,3,4-trichloro-, 1- EINECS 219-397-9 HSDB 5878