| http://www.w3.org/ns/prov#value | - ed carbocyclic group or optionally substituted heterocyclic group; Rb is hydrogen; 7) R1 is a group represented by the formula: ???Y1???Y2???Y3???Ra wherein Y1 is single bond; Y3 is optionally substituted alkylene; Y2 is ???C(???O)???NRb??? or ???NRb???C(???O)???; Ra is optionally substituted aryl or optionally substituted heteroaryl; Rb is hydrogen; 8) R1 is a group represented by the formula: ??
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