| http://www.w3.org/ns/prov#value | - In segment 20, R20 and R21 comprise one or both of carbon and hydrogen; Z5 comprises carbon, nitrogen, oxygen or sulfur; the components R73, R74, R75, and R76 can, for example, be selected from the group consisting of hydrogen, halogens, hydroxy groups, alkoxy groups, trifluoromethyl groups, and alkyl groups, and can be the same as one another or different than one another; and b is an integer of
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