2-Propenamide, 3-(5-(acetyloxy)-4,5-dihydro-3-furanyl)-N-(2-hydroxy-5-oxo-1-cyclopenten-1-yl)-, (E)-(+)- 68748-55-0 79303-68-7 AM 6201 Alkaloid AM 6201 Antibiotic AM 6201 Antibiotic S 551II BRN 4525860 Reductiomycin