diffusomycin

(4Z,6Z,8E)-3-hydroxy-N-[(2E,4E,7R,9S)-6-hydroxy-9-[(7R,8S)-8-hydroxy-5,7-dimethyl-3,6-dioxo-2-oxa-5-azaspiro[3.4]oct-8-yl]-9-methoxy-7-methyl-nona-2,4-dienyl]-2,2,4-trimethyl-10-(1,3-oxazol-5-yl)deca-4,6,8-trienamide