Fig. 7
From: Design and clinical developments of aptamer-drug conjugates for targeted cancer therapy

Chemical structure of DM1(maytansine1) that conjugated with HER2 aptamer combined with PEG 20 k (Polyethyleneglycol 20 k)
From: Design and clinical developments of aptamer-drug conjugates for targeted cancer therapy
Chemical structure of DM1(maytansine1) that conjugated with HER2 aptamer combined with PEG 20 k (Polyethyleneglycol 20 k)