| 摘要 |
An agent for diagnosing cancer comprising, as an active ingredient, a compound represented by the following formula (I) (R 1 represents hydrogen atom, or a substituent; R 2 to R 7 represent hydrogen atom, hydroxyl group, an alkyl group, or a halogen atom; R 8 and R 9 represent hydrogen atom, or an alkyl group; and X represents a C 1 -C 3 alkylene group), which specifically emits fluorescence in a cancerous tissue within a short time when applied to a part in which presence of a cancerous tissue is suspected. |
