| http://www.w3.org/ns/prov#value | - tom, an oxygen atom or a sulfur atom, with examples including imidazolyl, pyridyl, quinolyl, furyl, thienyl, piperidyl, morpholino, benzoxazolyl, benzimidazolyl, benzothiazolyl and carbazolyl groups) and a silyl group (which contains preferably 3 to 40, more preferably 3 to 30, particularly preferably 3 to 24, carbon atoms, and includes a trimethylsilyl group and a triphenylsilyl group as examples
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