| http://www.w3.org/ns/prov#value | - In Scheme 1, Z is a group represented by the formula: ##STR6## wherein R1, R2, R3, R4, R5, X and n are defined above; R8 and R9 are an alkyl group having 1 to 3 carbon atoms; R10 is hydrogen atom, an alkyl group having 1 to 6 carbon atoms or an aryl group; and R11 and R12 are hydrogen atom, a lower alkyl group having 1 to 6 carbon atoms, hydroxy group, a lower alkoxy group having 1 to 6 carbon ato
|
