7-Methylol-9-methoxy-10-F-camptothecin

7-Methylol-9-methoxy-10-F-camptothecin (Compound D6-1) is a derivative of Camptothecin (HY-16560). 7-Methylol-9-methoxy-10-F-camptothecin can be used as a cytotoxic payload for synthesis of antibody-dr_ug conjugates (ADCs).