Showing structure for 6-hydroxy-4-[(2r,5s,6e)-2-hydroxy-5-methyl-7-[(2r,3s,4z,6e,10e)-3-methyl-12-oxo-1-oxacyclododeca-4,6,10-trien-2-yl]-4-oxooct-6-en-1-yl]-4,5-dihydro-3h-pyridin-2-one