Nippon Soda Co., Ltd.

Hiroyuki Imagawa

Tomio Yamada

Michihiko Matsuda

Keiichi Ishimitsu

Yukio Kitagawa

The present invention relates to a compound having the formula ##STR1## wherein R.sub.1 denotes C.sub.1-6 alkyl radicals; R.sub.2 denotes halogen atoms, C.sub.1-6 alkyl radicals, C.sub.1-6 haloalkyl radicals, C.sub.1-6 alkoxy radicals, C.sub.1-6 haloalkoxy radicals or the phenyl radicals which may be substituted by methylenedioxy radicals; ##STR2## denotes 5-7 member heterocyclic radicals whose ring constituent atoms comprise 2-6 carbon atoms, 0-1 oxygen atom and 1-2 nitrogen atoms and which may be substituted by C.sub.1-6 alkyl radicals.

Growing community of inventors

Yokohama, Japan

Hiroyuki Imagawa