| 摘要 |
Disclosed herein is a deuteroporphyrin derivative represented by the following general formula: <IMAGE> wherein one of R1 and R2 means -CH(CH3)-OR, R being a lower alkyl group, and the other denotes -CH=CH2, or R1 and R2 both mean -CH(CH3)-OR, R having the same meaning as defined above, or a salt thereof. The deuteroporphyrin derivative or its salt can be readily obtained in its pure form and is useful as a photosensitizer in the laser irradiation therapy of cancers.
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