| http://www.w3.org/ns/prov#value | - Alternative procedures for preparing a more limited class of 2-aryl-1, 3-cyclohexanedione compounds are illustrated by the general reaction schemes set forth below in which R1, R2, R3, R4, R5, R6, R7, Z, Z',Z and Z' are as described above and X is fluorine or chlorine, except as noted: ##STR3## In METHOD III, R1 is alkyl and Z, Z', Z and Z' are other than nitro. ##STR4## In Method IV, Z' is al
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