Toray Industries, Inc.

Yumiko Sekiya

Hiroyuki Meguro

Mie Kaino

Yukihiro Nishio

Tomohide Masuda

Keiichi Okimura

Yuko Kubota

Hideyuki Tsutsui

Masashi Yamamoto

Syuji Udagawa

Yutaka Nishimura

A compound has inhibitory activity on Discoidin Domain Receptor 1. The compound includes a urea derivative represented by the formula below or a pharmaceutically acceptable salt thereof. 

Urea derivative and use therefor

A compound has inhibitory activity on Discoidin Domain Receptor 1. A urea derivative is represented by the formula (I) or a pharmaceutically acceptable salt thereof: wherein, Ris trifluoromethyl, trifluoromethoxy, or pentafluorosulfanyl; each Ris independently a hydrogen atom or methyl which is optionally substituted by one hydroxyl or one saturated heterocyclyl having four to six ring-forming atoms; Ris a hydrogen atom, halogen atom, C-Calkyl, saturated heterocyclyl having four to six ring-forming atoms and optionally having an oxo group, or RO&#x2014;; and Ris phenyl, pyridyl, pyridazinyl, or pyrimidinyl, which phenyl, pyridyl, pyridazinyl, or pyrimidinyl is optionally substituted by one R.

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Otsu, Japan

Yumiko Sekiya