Otsuka Kagaku Kabushiki Kaisha

Yoshinori Endo

Hiroshi Fujishima

Hirofumi Nakagawa

Hisashi Takao

Nobuyoshi Takahashi

Isao Tada

Tetsuji Miyata

Minoru Motoki

Kan Manabe

Daisuke Yanase

Yasuhiro Endo

Yasuhiro Sasama

Shigekazu Wakisaka

Tomozo Komura

Tatsuya Akasaka

Keizaburo Murai

Kunio Yamaguchi

Mitsuyuki Murakami

Kazumi Sagayama

A 4-aryl-4-substituted pyrazolidine-3,5-dione derivative represented by the formula (1) is useful as an effective component of a miticide, insecticide or herbicide

4-aryl-4-substituted pyrazolidine-3, 5-dione derivatives

Indole-2-carboxylate derivatives and fungicidal compositions for

Triazole derivative, herbicidal compositions containing the derivatives

Pyrazole derivatives and insecticidal compositions containing the

.gamma.-Pyrone phosphoric ester derivative represented by the general formula below is useful as an effective component of an insecticidal or miticidal composition for agricultural and horticultural uses. ##STR1## wherein R.sup.1 is hydrogen, lower alkyl group, lower alkenyl group, cycloalkyl group or phenyl group, R.sup.2 is hydrogen or lower alkyl group unsubstituted or substituted with halogen atom, A is --SR.sup.3 or --NR.sup.4 R.sup.5, B is OR.sup.6, R.sup.3 being lower alkyl group, cycloalkyl group or phenyl group, R.sup.4 being hydrogen or lower alkyl group, R.sup.5 being lower alkyl group, lower alkenyl group, cycloalkyl group, phenyl group or benzyl group, R.sup.4 and R.sup.5 may link to form piperidino or morpholino group, R.sup.6 being lower alkyl group, cycloalkyl group or phenyl group, Y is oxygen or sulfur atom.

.gamma.-Pyrone phosphoric ester derivatives and insecticidal and

Growing community of inventors

Tokushima, Japan

Yoshinori Endo