| http://www.w3.org/ns/prov#value | - R8 is a hydroxyl and at least one W is a N; R8 is a hydroxyl and at least one of R1-R7 and R9-R-10 is #STR66#; R8 is a hydroxyl and at least one of R1-R7 and R9-R10 is #STR77#, #STR88# or #STR99; and R8 is #STR66# and at least one W is a N. Non-limiting examples of compounds of Formula 4 include:
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