| abstract |
The present invention provides targeted use of ethoxyfluorescein ethyl ester in liver cancer and gastric cancer. Specifically, the present invention provides the use of a compound represented by formula A, or a pharmaceutically acceptable salt thereof, or an optical isomer or a racemate thereof, or a solvate thereof, for the preparation of Targeting agents in tumor cells. The ethoxyfluorescein ethyl ester of the present invention can specifically recognize tumor cells, can be used as a highly selective targeting tool for tumors, and has extensive potential use value in the diagnosis and treatment of diseases. |