| 摘要 |
Provided is a tetraphenylbacteriochlorin derivative represented by the formula (I): [wherein R<1>, R<2>, R<3 >and R<4>, independently from each other, are a residue of a monosaccharide represented by the formulae: (wherein, R is a hydrogen or a protecting group)], or its salt. The tetraphenylbacteriochlorin derivative or its salt has a large molar extinction coefficient at long wavelengths which are expected to have a high tissue-penetrating property, and exhibits high selectivity to tumor cells and hydrophilicity.
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