| http://www.w3.org/ns/prov#value | - wherein R3-R10 are independently a hydrogen atom, halogen atom, nitro group, cyano group, C1-C20 alkyl radical, C4-C20 cycloalkyl radical, or C6-C20 C aryl radical; W is a bond, an oxygen atom, a sulfur atom, a SO2 group, a C1-C20 aliphatic radical, a C6-C20 aromatic radical, a C6-C20 cycloaliphatic radical, or the group
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