| http://www.w3.org/ns/prov#value | - Among the pyrazoline-3,5-dione derivatives which may be used as heterocyclic couplers in the dye composition in accordance with the invention, mention may be made more particularly of the compounds described in the following patent applications and patents: JP 07-036159, JP 07-084348 and U.S. Pat. No. 4,128,425, and in the following publications:
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