摘要:
An antibiotic AM-5344-A.sub.2 substance, and a process for the preparation of the antibiotic AM-5344-A.sub.2 substance are described. The antibiotic AM-5344-A.sub.2 substance is prepared by cultivating an AM-5344-A.sub.2 substance-producing strain belonging to the genus Streptomyces, for example, Streptomyces sp. Am-5344 in a nutrient medium, and recovering the Am-5344-A.sub.2 substance from the culture.
摘要:
A compound of the formula ##STR1## and salts thereof, exhibits herbicidal activity against many herbaceous and woody plants. The compound may be formulated for agricultural use in conventional manner.The compound may be made by fermentation of a suitable strain of a microorganism of the genus Kitasatosporia, especially the novel strain Actinomycetes KA-338 (FERM BP-358).