| http://www.w3.org/ns/prov#value | - If the radicals B1, B2 and/or T3 are each substituted C1 -C12 -alkyl which may be interrupted by one or two oxygen atoms, suitable substituents are for example phenyl, cyano, C.sub. 1 -C8 -alkoxycarbonyl, phenoxycarbonyl, halogen, in particular chlorine or bromine, hydroxyl, C1 -C8 -alkanoyloxy, benzoyloxy, C5 -C7 -cycloalkoxy and phenoxy.
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