Fujisawa Pharmaceutical Company, Ltd.

Astellas Pharma Gmbh

Masatoshi Minagawa

Atsushi Akahane

Yoshikazu Inoue

Hideo Tsutsumi

Toshiaki Aoki

Mitsuru Ohkubo

Satoru Kuroda

Jiro Seki

Kohei Takenaka

Hideko Nakamura

Seiichiro Tabuchi

Kayoko Harada

A pyrazine derivative of the following formula (I): 

Pyrazine derivatives and pharmaceutical use thereof

A beta-alanine derivative of the formula (I) wherein R is hydrogen atom or an amino protective group; A is a lower alkylene group or a lower alkenylene group; R is hydrogen atom or an amino group which may be substituted with an acyl group; R is hydrogen atom or an aryl or aralkyl group which may be substituted with one or more of hydroxy and/or lower alkoxy, a moiety represented by the formula (II), which is a bivalent N-containing 6- to 8-membered heterocyclic group, or a pharmaceutically acceptable salt thereof.

Beta-alanine derivatives and their use as receptor anatgonists

Guanidine derivatives

Growing community of inventors

Osaka, Japan

Masatoshi Minagawa