| prov:value
| - 6 to 12 carbon atoms, such as phenyl, p-methylphenyl or naphthyl), an amino group (preferably with 0 to 20 carbon atoms, more preferably 0 to 12 carbon atoms and particularly preferably 0 to 6 carbon atoms, such as amino, methylamino, dimethylamino, diethylamino, diphenylamino or dibenzylamino), an alkoxy group (preferably with 1 to 20 carbon atoms, more preferably 1 to 12 carbon atoms and particu
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