In July 2019, we entered into an exclusive license agreement with X4 Pharmaceuticals, Inc. (“X4”) and obtained the rights for the development, manufacturing and commercialization of the licensed compound ABSK081 (mavorixafor), which was formerly known as X4P-001, collectively with any product containing such licensed compound (the “X4 Product”) in the licensed territory of mainland China, Taiwan, Hong Kong and Macau.