The molecule is a lactone which is 9-methyl-1,5-dioxonane-2,6-dione substituted by a benzyl group at position 8, a [(3-hydroxy-pyridine-2-yl)carbonyl]amino group at position 3 and an isobutyryloxy group at position 7. It is isolated from the mycelia cake of Streptomyces sp. 517-02 and exhibits potent antifungal activity. It has a role as an antimicrobial agent, an antifungal agent and a bacterial metabolite. It is a lactone, a monohydroxypyridine, an aromatic amide and a monocarboxylic acid amide.
[(3S,6S,7R,8R)-8-benzyl-3-[(3-hydroxypyridine-2-carbonyl)amino]-6-methyl-4,9-dioxo-1,5-dioxonan-7-yl] 2-methylpropanoate