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5 - Benzene sulfonamido - 1 - and 2,4 - di - (benzene sulfonamido) - phenol, as well as their use as silver halide developer compounds for the development of photographic materials
5 - Benzene sulfonamido - 1 - and 2,4 - di - (benzene sulfonamido) - phenol, as well as their use as silver halide developer compounds for the development of photographic materials
