(4R,5R,6R,9a1R,12S,14aR)-6-hydroxy-4,5,6-trimethyl-3-methylene-2,7-dioxo-3,4,5,6,7,9,9a1,11,12,13,14,14a-dodecahydro-2H-[1,6]dioxacyclododecino[2,3,4-gh]pyrrolizine 12-oxide;(4R,5R,6R,14aR,14bR)-3,4,5,6,9,11,13,14,14a,14b-Decahydro-6-hydroxy-4,5,6-trimethyl-3-methylene-[1,6]dioxacyclododecino[2,3,4-gh]pyrrolizine-2,7-dione 12-Oxide; (14?)-12-Hydroxy-14-methyl-21-norsenecionan-11,16-dione 4-Oxide
