| http://www.w3.org/ns/prov#value | - osen from C1-C4 alkoxy radicals, and further wherein when D is a ???CH group, when A is A4 or A13, and when R3 is other than an alkoxy radical, then R1 and R2 are not simultaneously a hydrogen atom, and further wherein when D is a nitrogen atom, A is chosen from A1-A12 and A14-A19; (b) compounds of formula (II), below: wherein:
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