| abstract |
A novel compound which specifically resides in a tumor, a method for allowing it to reside in a tumor, and a method for detecting, diagnosing, and treating tumor with use thereof are provided. The present invention relates to a compound represented by chemical formula (I)n nwherein R is an anionic group binding to hydrogen, R 1 is OH, OCOH, OCO(CH 2 ) h CH 3 , or an acting group, h being an integer of 0 or more, R 2 is H, OH, OCOH, OCO(CH 2 ) i CH 3 , or an acting group, i being an integer of 0 or more, R 3 is OH, SO 3 H, or an acting group, R 4 is OH, SO 3 H, or an acting group, and R 5 is OH, SO 3 H, or an acting group, at least one of R 1 , R 2 , R 3 , R 4 , and R 5 containing an acting group, or pharmaceutically acceptable salts thereof. |