| http://www.w3.org/ns/prov#value | - rbon is optionally substitutedwith R.sup.33, a ring carbon other than the ring carbon at the point of attachment of B to A is optionally substituted with oxo provided that no more than one ring carbon is substituted by oxo at the same time, ring carbons and a nitrogen adjacent to thecarbon atom at the point of attachment are optionally substituted with R.sup.9 or R.sup.13, a ring carbon or nitroge
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