prov:value
| - Suitable substituents for R25 are: linear or branched alkyl, alkoxy and alkenyl of 18, preferably 12, most preferably up to 6, carbon atoms, e.g. methyl, ethyl, propyl, isopropyl, n-butyl, tert-butyl, pentyl, hexyl, octyl, decyl, docecyl, tetradecyl, hexadecyl, octadecyl and corresponding alkenyl and alkoxy groups; cycloalkyl and cycloalkenyl containing preferably 5 to 8 ring carbon atoms. e.g. cy
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