[(3R,5S,7R,8R)-7-{(1E,3E)-5-[(2S,3S,5R,6R)-5-{[(2Z,4S)-4-(acetyloxy)pent-2-enoyl]amino}-3,6-dimethyltetrahydro-2H-pyran-2-yl]-3-methylpenta-1,3-dien-1-yl}-8-hydroxy-1,6-dioxaspiro[2.5]oct-5-yl]acetic acid

(2S,3Z)-5-({(2R,3R,5S,6S)-6-[(2E,4E)-5-{(3R,4R,5R,7S)-4-(acetyloxy)-7-[2-oxo-2-(propylamino)ethyl]-1,6-dioxaspiro[2.5]oct-5-yl}-3-methylpenta-2,4-dien-1-yl]-2,5-dimethyltetrahydro-2H-pyran-3-yl}amino)-5-oxopent-3-en-2-yl piperidine-1-carboxylate