| http://www.w3.org/ns/prov#value | - By ???substituted??? as in ???substituted hydrocarbyl,??? ???substituted alkyl,??? and the like, as alluded to in some of the aforementioned definitions, is meant that in the hydrocarbyl, alkyl, or other moiety, at least one hydrogen atom bound to a carbon atom is replaced with one or more substituents that are functional groups such as alkoxy, hydroxy, halo, nitro, and the like.
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