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Featured researches published by Helmut Mrozik.


Tetrahedron Letters | 1991

Conversion of avermectin B1 to 19-epi-avermectin B1

Timothy Blizzard; Lori Bostrom; Gaye Margiatto; Helmut Mrozik; Michael Fisher

Avermectin B1 (1) has been converted to 19-epi-avermectin B1 (2) in six steps. Analog 2 retains some bioactivity but is substantially less bioactive than 1.


Archive | 1990

13-HALO AND 13-DEOXY DERIVATIVES OF C-076 COMPOUNDS, THEIR PREPARATION AND THEIR USE AS ANTIPARASITICS

John C. Chabala; Michael H. Fisher; Helmut Mrozik


Archive | 1994

Benzokondensierte lactame zur förderung der wachstumshormonausschüttung.

Lin Chu; Michael H. Fisher; Helmut Mrozik; William R. Schoen


Archive | 1992

THE CHEMISTRY AND PHARMACOLOGY OF A VERMECTINS

Michael H. Fisher; Helmut Mrozik


Archive | 1990

Derivados de la avermectina.

Michael H. Fisher; Helmut Mrozik


Archive | 1990

Dérivés d'avermectine

Michael H. Fisher; Helmut Mrozik


Archive | 1989

New avermectins with cleaved furan ring and 8a hydroxyl group

Michael H. Fisher; Helmut Mrozik; Matthew J. Wyvratt


Archive | 1989

Avermectine mit einem gespaltenen Furanring und einer 8A-Hydroxygruppe. Avermectins with a cleaved furan ring and a hydroxy-8A.

Michael H. Fisher; Matthew J. Wyvratt; Helmut Mrozik


Archive | 1989

Avermectine à noyau furanique ouvert et groupement 8A hydroxy

Michael H. Fisher; Matthew J. Wyvratt; Helmut Mrozik


Archive | 1988

STABLE VETERINARY GROWTH PROMOTANT FEED ADDITIVES

Fisher Michael H; Michael H. Fisher; Mrozik H; Helmut Mrozik

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