. "Rb, Rc, Re, Rf, Rh and Ri are members that are independently selected from the genus of aryl substituents, including species such as H, OH, sulfo, nitro, carboxyl, carboxylate esters, halogen, substituted or unsubstituted alkyl, substituted or unsubstituted heteroalkyl (e.g., alkoxy, alkylthio, aminoalkyl, etc.), substituted or unsubstituted aryl, substituted or unsubstituted heteroaryl, substitut" . . .