2,3,4,5,7,7,8,8-octachlorobicyclo[4.2.0]octa-1(6),2,4-triene

N-methyl-N-(3,4,4-trichlorobut-3-en-1-ynyl)aniline

N-phenyl-N-(3,4,4-trichlorobut-3-en-1-ynyl)aniline

1,1,2-trichloro-4-methylsulfanylbut-1-en-3-yne

1,1,2-trichloro-4-propylsulfanylbut-1-en-3-yne