Patent ID: 11952384
Assignee: DUALITY BIOLOGICS (SUZHOU) CO., LTD.
Field: Pharmaceuticals (Chemistry)
Classification: CPC A  C | IPC A  C

Claim 15:
16. The compound or the tautomer, the mesomer, the racemate, the enantiomer or the diastereoisomer thereof, or the mixture thereof, or the pharmaceutically acceptable salt thereof according to any one of claim 15,
wherein Lx is, R1 is selected from the group consisting of: —O—, —(R2)N— and —S—;
X is -L1-CH2—C(O)—;
L1 is —(C(R3a)(R3b))m—, m is 1 or 2, and R3a and R3b are not both hydrogen in each —C(R3a)(R3b)—;
wherein each R2, each R3a and each R3b is independently hydrogen, halogen, or a C1-6 aliphatic group which is optionally substituted with R;
wherein each R is hydrogen or halogen.