CAS No 105304-96-9 , 8,28,41,42-Tetraoxatricyclo[35.3.1.117,21]dotetraconta-5,19,25,39-tetraene-7,27-dione,3,11,13,23,31,33-hexahydroxy-9,29-bis[(1S,2S,3S)-2-hydroxy-1,3-dimethyl-5-[(2S,4R,6S)-tetrahydro-4-methoxy-6-methyl-2H-pyran-2-yl]pentyl]-15,35-dimethoxy-6,10,14,26,30,34-hexamethyl-,(1R,3S,5E,9S,10S,11R,13S,14S,15S,17S,21R,23S,25E,29S,30S,31R,33S,34S,35S,37S)-