Mitsubishi Pharma Corporation

Yasunori Kitano

Tsuyoshi Suzuki

Daisuke Abe

Naoko Ueda

Eiji Kawahara

Masahiro Nakajou

A compound of the formula (I) or a pharmaceutically acceptable salt thereof, a hydrate thereof, a solvate thereof, an optically active compound thereof, a racemate thereof or a diastereomer mixture thereof has a superior tyrosine-specific protein kinase inhibitory activity and is useful as a pharmaceutical agent, particularly as an agent for the prophylaxis or treatment of various cancers, psoriasis or diseases caused by arteriosclerosis, and the like.

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Tokyo, Japan

Yasunori Kitano