135702-85-1 4,13,19,20-Tetraoxatricyclo[14.2.1.17,10]eicosane- 3,12-dione,5-[(1R)-1-[(2R,5S)-5-[(2R)-2- (dimethylamino)pentyl]tetrahydro-2-furanyl]- ethyl]-2-ethyl-6,11,15-trimethyl-14-propyl-,(1R,2S,5R,6R,7S,10R,11R,14S,15R,16S)- 72782-53-7 (E)-2-Methyl-2-butenoic acid [(3aR,6R)-3,3aβ,4,5,6aβ,7,9aβ,9bα-octahydro-9-methyl-3-methylene-2,7-dioxospiro[azuleno[4,5-b]furan-6(2H),2-oxiran]-4α-yl] ester