1,3-Butadiene, 1-chloro- 1-CHLOROPRENE 1-Chloro-1,3-butadiene 1-Chlorobuta-1,3-diene 1-Chlorobutadiene 3-01-00-00949 (Beilstein Handbook Reference) 627-22-5 BRN 1697550 EINECS 210-990-8