| http://www.w3.org/ns/prov#value | - group consisting of a hydrogen atom, a halogen atom and a cyano group, and n is an integer of 0 to 4; ##STR17## wherein R is selected from the group consisting of a hydrogen atom, a halogen atom and a substituted or unsubstituted alkyl group and alkoxy group, Z1 is selected from the group consisting of a substituted or unsubstituted alkyl group, aryl group and aromatic heterocyclic group, Z2 is se
|