Patent ID: 11873281
Assignee: HANGZHOU DAC BIOTECH CO., LTD.
Field: Pharmaceuticals (Chemistry)
Classification: CPC A  C  Y | IPC A  C

Claim 4:
5. The conjugate according to claim 1 having Formula (V):, or a pharmaceutically acceptable salt, hydrate, or hydrated salt thereof; or a polymorphic crystalline structure thereof; or an optical isomer, racemate, diastereomer or enantiomer thereof;
wherein T, L, m, Y, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R12, R13 and n are defined the same as in Formula (I);
wherein R11 is —R14—, —R14C(═O)R17—, —R14C(═O)X2R17—, —R14X2R17—, or —R14C(═O)X2—, wherein R17 is independently H, OH, C1˜C8 alkyl; C2˜C8 alkenyl, alkynyl, or heteroalkyl; C3˜C8 aryl, arylene, heterocyclic, carbocyclic, or heterocycloalkyl; or an amino acid, or two amino acid units; X2 is —O—, —S—, —NH—, —NHS(O2)—, —NHS(O)—, —N(R14)—, —O—R14—, —S—R14—, —S(═O)—R14—, or —NHR14—; —R14 is H, C1˜C8 alkyl, or heteroalkyl; C2˜C8 alkenyl, or alkynyl; C3˜C8 aryl, heterocyclic, carbocyclic, cycloalkyl, alkylcycloalkyl, heterocycloalkyl, heteroalkylcycloalkyl, heteroaralkyl, or alkylcarbonyl.