| http://www.w3.org/ns/prov#value | - SUMMARY OF THE INVENTION According to the present invention, there is provided a pressure-sensitive copying paper containing as a colorformer, a fiuoran derivative represented by the following general formula: wherein R represents a lower alkyl group, when Y is a hydrogen atom, X represents a group se selected from the group consisting of a lower alkyl group, a lower alkoxy group, and a benzyloxy
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