prov:value
| - Exemplary of suitable hydrocarbon radicals for Q are alkylene radicals having one to 18 carbon atoms, preferably one to 6 carbon atoms such as methylene, ethylene, propylene, butylene, hexylene and the like; alkoxy radicals having one to 18 carbon atoms, preferably one to 6 carbon atoms such as methoxymethyl, methyloxypropyl, ethyloxyethyl, ethyloxypropyl, propyloxypropyl, propyloxybutyl, propylox
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