| http://www.w3.org/ns/prov#value | - A compound comprising the structure: wherein:one or X and Y is hydrogen and the other is hydrogen, fluorine, chlorine, bromine, cyano or c1 to C3 alkyl; Z is >NH, >C???O, >C???NH or >SO2 ; Q is fluorescein or a fluorescein derivative; R is a linking group consisting of from 0 to 20 carbon atoms and heteroatoms, including not more than 12 heteroatoms nometallic, arranged in a straight or branched c
|
