(1S,3R,4E,6E,8E,10E,14E,16E,18S,19R,23R,25R,27R,30R,31R,33S,35S,36R)-3-{[(2S,3S,4R,5S,6R)-4-amino-6-chloro-3,5-dihydroxy-3,4,5,6-tetrahydro-2H-pyran-2-yl]oxy}-23,25,27,30,31,33,35-heptahydroxy-19-[(2S,3S)-3-hydroxybut-2-yl]-18-methyl-21-oxo-20,37-dioxabicyclo[31.3.1]heptatriaconta-4,6,8,10,14,16-hexaene-36-carboxylic acid