1-phenoxy-1,1,3-trihydroperfluoropropane;4-[4-(bromomethyl)phenyl]-2,6-bis(pyridin-2-yl)pyridine;4'-(para-bromomethylphenyl)-2,2':6':2''-terpyridine;4-(2,2,2-trifluoro-ethylamino)-2-trifluoromethyl-benzonitrile;4'-(p-(bromomethyl)phenyl)-2,2':6',2''-terpyridine;