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Targeted Drug Conjugate, Medicine Including The Same, And Compound

Abstract: Provided is a compound or a salt thereof, said compound including: two or more structural parts M that are selected from a biologically active substance part and a radioisotope-including part; and a structure that is represented by general formula (I). Also provided are a targeted drug conjugate and a medicine including the same. However, said compound and salt do not have a fluorescent substance part, and have at least one type of group selected from a specific group Pi of hydrophilic groups. In the formula, X1 to X3 each represent –O–, –S–, >NR1, or >CR2R3, R1 to R3 and R11 each represent a hydrogen atom or a substituent, n is an integer greater than or equal to 2, and * is a bonding site.

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Notices, Deadlines & Correspondence

Patent Information

Application #
Filing Date
18 March 2026
Publication Number
17/2026
Publication Type
INA
Invention Field
CHEMICAL
Status
Email
Parent Application

Applicants

FUJIFILM CORPORATION
26-30, Nishiazabu 2-chome, Minato-ku, Tokyo 1068620

Inventors

1. TAMURA, Takashi
c/o FUJIFILM Corporation, 577, Ushijima, Kaisei-machi, Ashigarakami-gun, Kanagawa 2588577
2. WATANABE, Kousuke
c/o FUJIFILM Corporation, 577, Ushijima, Kaisei-machi, Ashigarakami-gun, Kanagawa 2588577
3. TANAKA, Hiroaki
c/o FUJIFILM Corporation, 577, Ushijima, Kaisei-machi, Ashigarakami-gun, Kanagawa 2588577

Specification

Documents

Application Documents

# Name Date
1 202617032941-TRANSLATION OF PRIORITY DOCUMENTS ETC. [18-03-2026(online)].pdf 2026-03-18
2 202617032941-STATEMENT OF UNDERTAKING (FORM 3) [18-03-2026(online)].pdf 2026-03-18
3 202617032941-PROOF OF RIGHT [18-03-2026(online)].pdf 2026-03-18
4 202617032941-POWER OF AUTHORITY [18-03-2026(online)].pdf 2026-03-18
5 202617032941-NOTIFICATION OF INT. APPLN. NO. & FILING DATE (PCT-RO-105-PCT Pamphlet) [18-03-2026(online)].pdf 2026-03-18
6 202617032941-FORM 18 [18-03-2026(online)].pdf 2026-03-18
7 202617032941-FORM 1 [18-03-2026(online)].pdf 2026-03-18
8 202617032941-DECLARATION OF INVENTORSHIP (FORM 5) [18-03-2026(online)].pdf 2026-03-18
9 202617032941-COMPLETE SPECIFICATION [18-03-2026(online)].pdf 2026-03-18
10 202617032941-WIPO_PCT_DOC.pdf 2026-04-09
11 202617032941-PATENT_APPLICATION_PUBLICATION.pdf 2026-05-02