| 摘要 |
PURPOSE: To produce a compd., without necessitating to significantly correct a photographically useful group, etc., by methods which adversely affects a final application which each method intends in a photographic compd., releasing the photographic useful group, a coupler preferably, and a photographic material and photographic treatment using such a compd. CONSTITUTION: A supporting body, carrying the photographic coupler containing at least one layer of a silver halide photographic emulsion layer and at least one kind photographic coupler, containing a pyrazolotriazole component, is incorporated in the photographic element, and a compd. expressed by the formula is incorporated in the coupler. In the formula, PT, (n), Z1 , Z2 , R1 and R2 , PUG and COUP are specified groups.
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