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US4264721A Color photographic materials 失效
彩色摄影材料

Color photographic materials
摘要:
A color photographic material comprising, on a support, a silver halide emulsion layer which contains a 2-equivalent .alpha.-acylacetamide yellow coupler carrying a nitrogen-containing heterocyclic coupling off group, joined to a nitrogen atom, as being releasable upon the reaction with an oxidation product of a color developing agent and a compound of the following formula (I) or its tautomer: ##STR1## wherein X and Y are as herein defined, is described.
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