公开(公告)号：US20170233343A1

公开(公告)日：2017-08-17

申请号：US15502793

申请日：2015-10-21

Applicant: HISAMITSU PHARMACEUTICAL CO., INC.

Inventor： Atsushi SONOBE ,  Takashi YASUKOCHI ,  Yasunori TAKADA ,  Kenji ATARASHI ,  Motohiro SUZUKI ,  Shinichi YOKOTA

IPC: C07D213/75

CPC classification number: C07D213/75 ,  A61K31/44

Abstract: The present invention provides a compound represented by the formula (I) or a pharmaceutically acceptable salt thereof: wherein R is a hydrogen atom, a C1-6 alkyl group optionally substituted with one or more hydroxyl groups, a C1-6 alkoxy group, or a cyano group.