Synonyms (From NIH Cactus) | trans-2-chloro-2-butene (Z)-2-chlorobut-2-ene 4461-41-0 2-Butene, 2-chloro- 2-Chloro-2-butene 2-Chlorobut-2-ene 2-Chlorobutene-2 4-01-00-00785 (Beilstein Handbook Reference) BRN 1719361 EINECS 224-719-6 2-Butene, 2-chloro-, (E)- Trans-2-chloro-2-butene |