1. Former Mersana Therapeutics, Inc., 840 Memorial Drive, Cambridge, Massachusetts 02139, United States
2. Drug Substance Development, Mersana Therapeutics, Inc., 840 Memorial Drive, Cambridge, Massachusetts 02139, United States
3. Chemical Macromolecule Division, Asymchem Life Science (Tianjin) Co., Ltd. No. 71, Seventh Avenue, TEDA Tianjin 300457, P.R. China
4. Chemdiscover, 10 Carlton Circle, Princeton, New Jersey 08540, United States