SMD-3040 formate is a potent and selective SMARCA2 PROTAC degrader (DC50: 12 nM; Dmax: 91%). SMD-3040 formate can inhibit tumor cell proliferation and exhibits antitumor activity. SMD-3040 formate can be used in the study of tumors such as melanoma[1]. (SMARCA2/4-ligand ; HY-112078 VHL ligand (HY-112078) )