(1)Benzopyrano(2,3-b)pyrrol-4(1H)-one, 2,6-dichloro-1-(5,6-dihydroxy-3-(hydroxymethyl)-4-methoxy-2-cyclohexen-1-yl)-5-hydroxy-8-methyl- 139636-03-6 Antibiotic MI 178-34F18A2 Pyralomicin 1a