| http://www.w3.org/ns/prov#value | - roup or a substituted dialkylamino group, particularly preferably a hydrogen atom, a C1-10 alkyl group, a C1-10 substituted alkyl group, a C6-10 aryl group or a C6-10 substituted aryl group and most preferably a hydrogen atom, a C1-6 alkyl group or a C1-6 substituted alkyl group. [0093] In the formula (II) above, A is preferably ???NR4R5.
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