Phosgene75-44-5100 % similar Oxalyl chloride79-37-838 % similar Chloranil118-75-233 % similar Trifluoroacetyl chloride354-32-533 % similar Malonyl chloride1663-67-831 % similar O-Chloranil2435-53-231 % similar Succinyl chloride543-20-431 % similar Acetyl chloride75-36-531 % similar Diphosgene503-38-830 % similar