| http://www.w3.org/ns/prov#value | - The term ???heteroaryl??? as used herein, alone or in combination, refers to a monovalent substituent comprising a 5???7 membered monocyclic aromatic system or a 8???10 membered bicyclic aromatic system containing one or more heteroatoms selected from nitrogen, oxygen and sulfur, e.g. furyl, thienyl, pyrrolyl, imidazolyl, pyrazolyl, triazolyl, pyridyl, pyrazinyl, pyrimidinyl, pyridazinyl, isothiaz
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