1,2-Dichloroethene156-59-2100 % similar trans-1,2-Dichloroethylene156-60-5100 % similar 1,2-Dichloroethylene540-59-0100 % similar trans-1-Chloropropene16136-85-945 % similar 1-Chloro-1-propene590-21-645 % similar 1-Chloro-2-fluoroethylene460-16-242 % similar cis-1,3-Dichloropropene10061-01-536 % similar trans-1,3-Dichloropropene10061-02-636 % similar 1,3-Dichloropropene542-75-636 % similar