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Featured researches published by Helmuth Hack.


Archive | 1968

1,2,4-triazine-5-ones

Ludwig Eue; Helmuth Hack; Helmut Timmler; Richard Wegler


Archive | 1969

N-(2 2 4 4-tetrafluoro-1 3-benzodioxanyl)-ureas

Hans-Ulrich Dr Alles; Ludwig Eue; Helmuth Hack; Erich Klauke; Engelbert Kuhle


Archive | 1987

HERBICIDAL AGENTS CONTAINING METHABENZTHIAZURON IN COMBINATION WITH CERTAIN PYRIDINYLOXYACETIC-ACID DERIVATIVES

Helmuth Hack; Robert R. Schmidt


Archive | 1987

N-substituted 5-amino-1,3,4-thiadiazoles

Carl Metzger; Ludwig Eue; Helmuth Hack


Archive | 1970

Cycloaliphatic imidazolidine-2-one-1-carboxylic acid amides

Ludwig Eue; Helmuth Hack; Ferdinand Munz


Archive | 1969

2-perchlorocrotonylamino-5-trifluoromethyl-1,3,4-thiadiazole

Dietrich Rucker; Ludwig Eue; Helmuth Hack


Archive | 1977

Herbicidal composition and method using N-(2-ethylsulfonyl-1,3,4-thiadiazol-5-yl)-N-methyl-N'-methyl urea

Carl Metzger; Ludwig Eue; Helmuth Hack


Archive | 1973

N-ALKYL-PHOSPHORO-AMIDO-THIOATES

Gerhard Schrader; Ludwig Eue; Helmuth Hack; Seiichi Hirane; Masahiro Aya; Shigeo Kishino; Nobuo Fukazawa


Archive | 1972

N-ISOPROPYL-PHOSPHORO-AMIDO-THIOATES

Masahiro Aya; Ludwig Eue; Nobuo Fukazawa; Helmuth Hack; Seiichi Hirane; Shigeo Kishino; Gerhard Schrader


Archive | 1967

1,2,4-Triazin-5-one

Helmut Timmler; Wegler Richard Dr; Ludwig Eue; Helmuth Hack

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