Reductiomycin

Antibiotic S 551II

Antibiotic AM-6201

[E,(+)]-N-(2-Hydroxy-5-oxo-1-cyclopentene-1-yl)-3-(5-acetoxy-4,5-dihydrofuran-3-yl)propenamide

[E,(+)]-3-[5-(Acetyloxy)-4,5-dihydrofuran-3-yl]-N-[2-hydroxy-5-oxo-1-cyclopentene-1-yl]propenamide

(2E)-(+)-3-[5-(Acetyloxy)-4,5-dihydro-3-furanyl]-N-(2-hydroxy-5-oxo-1-cyclopenten-1-yl)-2-propenamide