4a,10a-Epoxy-1H-naphtho(2,3-c)pyran-3-acetic acid, 3,4,5,10-tetrahydro-5,10-dioxo-9-hydroxy-1-methyl-, (1S-(1-alpha,3-beta,4a-beta,10a-beta))- 4a,10a-Epoxy-1H-naphtho(2,3-c)pyran-3-acetic acid, 3,4,5,10-tetrahydro-9-hydroxy-1-methyl-5,10-dioxo-, (1S-(1alpha,3beta,4abeta,10abeta))- 72660-52-7 Nanaomycin E