trans-1-Chloropropene16136-85-9100 % similar 1-Chloro-1-propene590-21-6100 % similar 1,2-Dichloroethene156-59-245 % similar trans-1,2-Dichloroethylene156-60-545 % similar 1,2-Dichloroethylene540-59-045 % similar But-2-ene107-01-736 % similar cis-2-Butene590-18-136 % similar trans-2-Butene624-64-636 % similar 1-Chloro-2-fluoroethylene460-16-231 % similar Trans,trans-2,4-hexadiene5194-51-431 % similar 2,4-Hexadiene592-46-131 % similar