Shih-Jen Edward Lee

Process for production of B avermectins and cultures therefor

Non-natural demethylavermectins and process therefor

Verfahren zur Herstellung von Avermectinen und die verwendeten Kulturen.

Foerfarande foer framstaellning av avermektiner samt vid detta foerfarande anvaendbara streptomyces avermitilis -stammar

Foerfarande Foer framstaellning av avermektiner at the samt ratio foerfarande anvaendbara streptomyces avermitilis -stammar

Procédé pour la production d'avermectines B et les cultures utilisées

Verfahren zur Herstellung von Avermectinen und die verwendeten Kulturen. A process for producing avermectins, and the cultures used.

unnatural Dimetilvermectinas and process for their preparation.

Foerfarande Foer framstaellning av och b avermektiner deras kulturer.

Non-natural demethylavermectins, procedure for their production and preparations for the control and prevention of parasitic infections