(4R,5R,6R,9a1R,14aR)-6-hydroxy-4,5,6-trimethyl-3-methylene-3,4,5,6,11,13,14,14a-octahydro-[1,6]dioxacyclododecino[2,3,4-gh]pyrrolizine-2,7(9H,9a1H)-dione;(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; (14?)-12-Hydroxy-14-methyl-21-Norsenecionan-11,16-dione; , [4R-(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
