prov:value
| - R31, R32 and R33 as substituted phenyl, naphthyl or biphenyl are substituted, for example, by linear or branched C1-C8alkyl, such as methyl, ethyl, n-propyl, isopropyl, n-butyl, isobutyl, sec-butyl, tert-butyl, pentyl, hexyl, heptyl or octyl, or by linear or branched C1-C8-alkoxy, such as methoxy, ethoxy, n-propoxy, isopropoxy, n-butoxy, isobutoxy, sec-butoxy, tert-butoxy, hexyloxy or octyloxy, or
|