CAS No 100513-53-9 , 2,4-Pyrrolidinedione,1-methyl-3-[(2E,4S,6R,8R,9R,10S,11R,13S,14S,15R,16S,17R,19R,21S,23S,25S,26S,27R,28R,29S)-1,8,9,11,13,15,17,19,21,23,25,26,27,28,29-pentadecahydroxy-2,4,6,10,14,16-hexamethyl-30-[(2R,3S,4S,5S,6S)-tetrahydro-3,4,5,6-tetrahydroxy-6-[(2R)-2-hydroxydodecyl]-2H-pyran-2-yl]-2-triaconten-1-ylidene]-,(3Z)-