prov:value
| - , aralkyl or alkylaryl radicals having 6 to 18 C atoms, it being possible for said radicals R also to be substituted by halogens, such as F or Cl, by ether, thioether, ester, amide, nitrile, hydroxyl, amine, carboxyl, sulfonic acid, epoxide, carboxylic anhydride and carbonyl groups, it also being possible for R to have the meaning OR??? in the case of the polysilanes.
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