1,1'-((2,2,2-Trichloroethylidene)bis(oxyethylene))dibenzene 68171-30-2 Benzene, 1,1'-((2,2,2-trichloroethylidene)bis(oxy-2,1-ethanediyl))bis- EINECS 269-021-2 Trichloracetaldehyde di(phenylethyl)acetal