| http://www.w3.org/ns/prov#value | - larly preferably 1 to 8 carbon atoms, such as methoxy, ethoxy or butoxy), an aryloxy group (preferably with 6 to 20 carbon atoms, more preferably 6 to 16 carbon atoms and particularly preferably 6 to 12 carbon atoms, such as phenyloxy or 2-naphthyloxy), an acyl group (preferably
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