prov:value
| - R6 and R7 independently of one another very particularly preferably represent hydrogen, or C1-C4-alkyl, C3-C6-cycloalkyl, C1-C4-alkoxy, C3-C4-alkenyl or C1-C4-alkoxy-C2-C4-alkyl, each of which is optionally substituted by fluorine or chlorine, or phenyl or benzyl, each of which is optionally substituted by fluorine, chlorine, bromine, methyl, methoxy or trifluoromethyl, or together represent a C5-
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