Meiji Seika Kaisha, Ltd.

Nobuko Okada

Shigeharu Inouye

Seiji Shibahara

Tsuneo Okonogi

Yuichi Yamamoto

Takayuki Usui

Osamu Makabe

Susumu Nishimura

Tsutomu Tsuruoka

Osamu Itoh

Kozo Nagaoka

A novel 2-piperidinecarboxylic acid derivative represented by the formula: ##STR1## wherein X represents an oxygen atom, a sulfur atom or a nitrogen atom to which a hydrogen atom is bound; and * represents that the configuration of the carbon atom binding to the carboxyl group is (S), (R) or a mixture of (S) and (R); and a pharmaceutically acceptable salt thereof which exerts an antitumor effect over a wide range of tumor cells.

2-piperidinecarboxylic acid derivative, oncogene suppressor and agent

Growing community of inventors

Tokyo, Japan

Nobuko Okada