International Patent: NOVEL CAMPTOTHECIN DERIVATIVE, PREPARATION METHOD THEREFOR AND USE THEREOF, ANTIBODY-DRUG CONJUGATE AND USE THEREOF

GENEVA, July 18 -- TAICHENGSI (SHANGHAI) BIOMEDICAL CO., LTD. filed a patent application (CN2026/071551) for “NOVEL CAMPTOTHECIN DERIVATIVE, PREPARATION METHOD THEREFOR AND USE THEREOF, ANTIBODY-DRUG CONJUGATE AND USE THEREOF”. With publication no. WO/2026/149515, here are the other details related to the patent application:

Kind: Initial Publication with ISR [A1]

IPC: C07D 491/22

Notably, the patent application was submitted under the International Patent Classification (IPC) system, which is managed by the World Intellectual Property Organization (WIPO).

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