| http://www.w3.org/ns/prov#value | - In this formula (IV), A, E and X preferably, or in particular, have the meanings whichhave already been given in connection with the description of the compounds of the formula (I) according to the invention as being preferred, or particularly preferred, for A, E and X. Y.sup.2 represents halogen, preferably fluorine or chlorine.The starting materials of the formula (IV) are new and also the subje
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