(2S)-1-[2-[(2R,3R,5S,6R)-2-hydroxy-6-[(1S,3S,5Z,7R,9E,11R,12S,13E)-12-hydroxy-14-[(1R,3R,4R)-4-hydroxy-3-methoxycyclohexyl]-1-methoxy-3,5,11,13-tetramethyl-8-oxo-7-prop-2-enyltetradeca-5,9,13-trienyl]-5-methoxy-3-methyloxan-2-yl]-2-oxoacetyl]piperidine-2-carboxylic acid