(2S,3S,4E,6S,7R,10R)-7,10-Dihydroxy-3,7-Dimethyl-12-Oxo-2-[(2E,4E,6R)-6-(Pyridin-2-Yl)Hepta-2,4-Dien-2-Yl]Oxacyclododec-4-En-6-Yl 4-Methylpiperazine-1-Carboxylate
(2s,3s,4e,6s,7r,10r)-7,10-dihydroxy-3,7-dimethyl-12-oxo-2-[(2e,4e,6r)-6-(pyridin-2-yl)hepta-2,4-dien-2-yl]oxacyclododec-4-en-6-yl 4-methylpiperazine-1-carboxylate