[(2R,3S,6R,7E,9R,10R,12R,14S,15E)-9-hydroxy-1-[(1S,3R,4R)-4-hydroxy-3-methoxycyclohexyl]-10-methoxy-2,6,8,12,14-pentamethyl-5,11,17-trioxoheptadeca-7,15-dien-3-yl] (2S)-1-[2-[(2R,3R,6S)-2-hydroxy-6-[(E,2S)-2-methoxy-3-methyl-5-oxopent-3-enyl]-3-methyloxan-2-yl]-2-oxoacetyl]piperidine-2-carboxylate