International Patent: C9-SUBSTITUTED CAMPTOTHECIN DERIVATIVE AND CONJUGATE THEREOF

GENEVA, July 6 -- MEDIBOSTON BIOLOGICS. CO. LTD filed a patent application (CN2025/145193) for “C9-SUBSTITUTED CAMPTOTHECIN DERIVATIVE AND CONJUGATE THEREOF”. With publication no. WO/2026/138890, 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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