| http://www.w3.org/ns/prov#value | - onally contain from 1 to 3 heteroatoms selected from the group consisting of a sulfur atom, an oxygen atom and a nitrogen atom such as a pyrrolyl, pyrazolyl, imidazolyl, oxazolyl, isoxazolyl, thiazolyl, isothiazolyl, triazolyl, tetrazolyl, thiadiazolyl, pyridyl, pyridazinyl, pyrimidinyl or pyrazinyl group, preferably a 5- to 6-membered heteroaryl group which contains at least one nitrogen atom and
|
