| prov:value
| - xy groups (containing preferably 1 to 30 carbon atoms, more preferably 1 to 20 carbon atoms, particularly preferably 1 to 12 carbon atoms, such as pyridyloxy, prazyloxy, pyrimidyloxy and quinolyloxy groups), acyl groups (containing preferably 1 to 30 carbon atoms, more preferably 1 to 20 carbon atoms, particularly preferablty 1 to 12 carbon atoms, such as acetyl, benzoyl, formyl and pivaroyl group
|