| 摘要 |
A photosensitive silver halide photographic emulsion containing at least one compound selected from the group consisting of compounds having the formula WHEREIN EACH OF R1, R2, and R3 and R4 is selected from the group consisting of a hydrogen atom, an alkyl group and an aralkyl group; and wherein R1 and R2, or R3 and R4 can combine to form a cycloalkyl group, is disclosed.
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