| http://www.w3.org/ns/prov#value | - Exemplary of the various substituents that may be present on the basic unsubstituted quinone structure include halogen, e.g. chlorine, bromine, fluorine, etc.; hydrocarbon substituents including saturated and unsaturated, branched and unbranched radicals of 1 to 40, preferably 1 to 8 carbon atoms selected from alkyl, aryl, arylalkyl, cycloalkyl, and the like, including halogenated derivatives ther
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