| http://www.w3.org/ns/prov#value | - inclusive of substituents has 1 to 20 carbon atoms, R3 is a hydrocarbon radical or hydrocarbonoxy radical which is unsubstituted or substituted and inclusive of substituents has 1 to 30 carbon atoms, or is a heterocyclyl radical or heterocyclyloxy radical which is unsubstituted or substituted, or R3 is a hydrogen atom, CN or NR4R5, R4 is a group of the formula R0-Q0-, in which R0 is a hydrogen at
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