| http://www.w3.org/ns/prov#value | - Examples of suitable substituents include halogens except fluorine (e.g., chlorine, bromine, iodine), cyano, OR3, and COOR3 groups wherein R3 is selected from hydrogen or the alkali or alkaline earth metals, of which H, K, Na, and NH4, are preferred, C1 to C20 alkyl, aryl, aralkyl, alkenyl, and R (as described above) groups.
|
