| http://www.w3.org/ns/prov#value | - , having preferably 1 to 30, more preferably 1 to 12, carbon atoms, with examples of the hetero atom including nitrogen, oxygen, sulfur, phosphorus, silicon, selenium, and tellurium, such as pyridyl, pyrazinyl, pyrimidyl, pyridazinyl, pyrrolyl, pyrazolyl, triazolyl, imidazolyl, oxazolyl, thiazolyl, isoxazolyl, isothiazolyl, quinolyl, furyl, thienyl, selenophenyl, tellurophenyl, piperidyl, piperidi
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