alisamycin

3-[[(2E,4E)-5-Cyclohexyl-1-oxo-2,4-pentadienyl]amino]-5-hydroxy-5-[(1E,3E,5E)-7-(2-hydroxy-5-oxo-1-cyclopentenylamino)-7-oxo-1,3,5-heptatrienyl]-7-oxabicyclo[4.1.0]hept-3-en-2-one