| prov:value
| - pyrazyloxy, pyrimidyloxy, quinolyloxy), acyl group (acyl group preferably having from 1 to 30 carbon atoms, more preferably from 1 to 20 carbon atoms, particularly from 1 to 12 carbon atoms, e.g., acetyl, benzoyl, formyl, pivaloyl), alkoxycarbonyl group (alkoxycarbonyl group preferably having from 2 to 30 carbon atoms, more preferably from 2 to 20 carbon atoms, particularly from 2 to 12 carbon at
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