(3R,4S,6S,8S,10R,12R,14R,16S,17E,19E,21E,23E,25E,27S,28R)-4,6,8,10,12,14,16,27-Octahydroxy-3-hexyl-17,28-dimethyloxacyclooctacosa-17,19,21,23,25-pentaene-2-one