| http://www.w3.org/ns/prov#value | - in which R.sup.32 in each case independently of the others is hydrogen, C.sub.1 -C.sub.3 -alkyl or trifluoromethyl, Y' in each case independently of the others is a direct C--C bond, --O--, --S-- or --NH--, i is an integer from 1 to 6, j is an
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