| http://www.w3.org/ns/prov#value | - The compound of claim 1, wherein R is an unsubstituted aryl or aryl substituted with one or moieties which moieties can be the same or different with each moiety being independently selected from the group consisting of halogen, CN, ???OR5, ???S(O2)NR5R6, ???SO3H, CH2OR5, ???S(O2)R6, ???C(O)NR5R6, ???CF3, ???OCF3 and heterocyclyl.
|
