prov:value
| - carbon atoms, such as the ethyl group and in particular methyl group, an alkoxy group of 1 to 4 carbon atoms, such as the ethoxy group and in particular methoxy group, achlorine atom, a bromine atom, an alkanoylamino group, such as the acetylamino group, the amino group, an alkylamino group of 1 to 4 carbon atoms, a dialkylamino group having alkyl radicals of 1 to 4 carbon atoms each, the ureido g
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