公开(公告)号：US20240294497A1

公开(公告)日：2024-09-05

申请号：US18292743

申请日：2022-08-29

Applicant: Eisai R&D Management Co., Ltd.

Inventor： Mitsuo NAGAI ,  Takashi FUKUYAMA ,  Yasuaki KAMADA ,  Jun NIIJIMA ,  Hirofumi KURODA ,  Keiichi MURAKAMI ,  Yuki KAROJI ,  Hiroyuki SAITO ,  Masayuki OMORI ,  Yusuke MIYASHITA ,  Atsushi KAMADA ,  Masaaki MATSUDA ,  Takanori KODERA

IPC: C07D401/14

CPC classification number: C07D401/14

Abstract: Provided is compound (3d) or a salt thereof, wherein the content of compound (IM-7) is 0.48 mass % or lower.