dihydrosamidin -dioxo-1,5-dioxonan-3-yl)salicylamide isovalericacid,8-esterwith3-formamido-n-(7-hexyl-8-hydroxy-4,9-dimethyl-2,6 ANTIMYCIN A1 3-(3-formamidosalicylamido)-8-hexyl-2,6-dimethyl-4,9-dioxo-1,5-dioxonan-7-yl isovalerate 3-Methylbutanoic acid 3-[[3-(formylamino)-2-hydroxybenzoyl]amino]-8-hexyl-2,6-dimethyl-4,9-dioxo-1,5-dioxonan-7-yl ester 3-Methylbutyric acid 3-[[3-(formylamino)-2-hydroxybenzoyl]amino]-8-hexyl-2,6-dimethyl-4,9-dioxo-1,5-dioxonan-7-yl ester [3-[(3-formamido-2-hydroxybenzoyl)amino]-8-hexyl-2,6-dimethyl-4,9-dioxo-1,5-dioxonan-7-yl] 3-methylbutanoate