| http://www.w3.org/ns/prov#value | - Typical acyclic heteroatomic bridges include, but are not limited to, ???O???, ???S???, ???S???O???, ???NR??????, ???PH???, ???S(O)???, ???S(O)2???, ???S(O)2NR??????, ???S(O)2NR??????, and the like, including combinations thereof, where each R??? is independently hydrogen or (C1-C6) alkyl.
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