| http://www.w3.org/ns/prov#value | - With regard to the compound (e3) of formula (V), a bis(allyloxydibromophenyl)alkane of formula: ##STR9## in which n is an integer equal to 1, 2 or 3, is preferably selected. 2,2-Bis(4-allyloxy-3,5-dibromophenyl)propane is more preferably employed per the present invention.
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