7-Ethylcamptothecin-d3-1

7-Ethylcamptothecin-d3-1 is the deuterium labeled 7-Ethylcamptothecin (HY-N2108). 7-Ethylcamptothecin is a derivative of Camptothecin (HY-16560) and a key intermediate in the synthesis of SN-38 (HY-13704). 7-Ethylcamptothecin can be used in tumor-related research.