| http://www.w3.org/ns/prov#value | - A suitable HCFC comprises a compound having a structure corresponding to RCClXY, where R is a perfluoroalkyl or hydroperfluoroalkyl residue and X and Y are chosen from the group H, Cl, F, or R, but at least one of X and Y is H if R is perfluoroalkyl.
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