| http://www.w3.org/ns/prov#value | - By the term 2,3-dihaloalkyl carboxylic ester 4 group is meant a radical having the struciral formula of an ester where each X is a halogen atom, preferably bromine or chlorine, each R is hydrogen, methyl, or ethyl, and R is hydrogen or alkyl having up to about 5 carbon atoms.
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