| http://www.w3.org/ns/prov#value | - Typical examples of 5-pyrazolone magenta couplers are disclosed in U.S. Pat. Nos. 2,369,489; 2,343,703; 2,311,082; 2,600,788; 2,908,573; 3,062,653; 3,152,896 and 3,519,429.The ballasting group (Ball) is an organic radical having a size and configuration such as to make the coupler substantially non-diffusing from the layer of the photographic material where it is incorporated.
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