1,4-DICHLOROBUTENE-2,3-EPOXIDE 1,4-Dichloro-2,3-epoxybutane 1,4-Dichlorobutene 2,3-epoxide 2,3-Bis(chloromethyl)oxirane 3583-47-9 5-17-01-00063 (Beilstein Handbook Reference) AI3-26603 BRN 0103237 Butane, 1,4-dichloro-2,3-epoxy- Butane,1,4-dichloro-2,3-epoxy- NSC 8802 Oxirane, 2,3-bis(chloromethyl)-