COC(=O)[C@]12[C@@H]3[C@H]4OC(=O)[C@]3(C)CC3=C(C)C5=C(C[C@@H](O[C@]1(O)[C@H](C)O4)[C@@]32C)C(C)(C)OC(=O)C5	methyl (10R,12S,13S,15R,18R,19R,20S,21S)-12-hydroxy-2,7,7,13,18,21-hexamethyl-5,17-dioxo-6,11,14,16-tetraoxahexacyclo[16.3.1.03,8.010,21.012,20.015,19]docosa-1,3(8)-diene-20-carboxylate