(3R,4aS,6S,8R,10S,10aR,10bS)-8-bromo-6-hydroxy-3,4a,7,7,10a-pentamethyl-3-vinyldodecahydro-1H-benzo[f]chromen-10-yl rel-acetate 1-Acetoxy-3-bromo-6-hydroxy-8,13-epoxylabd-14-ene 1H-naphtho[2,1-b]pyran-6,10-diol, 8-bromo-3-ethenyldodecahydro-3,4a,7,7,10a-pentamethyl-, 10-acetate, (3R,4aS,6S,8R,10S,10aR,10bS)- Acetic acid 8-bromo-6-hydroxy-3,4a,7,7,10a-pentamethyl-3-vinyl-dodecahydro-benzo[f]chromen-10-yl ester InChI=1/C22H35BrO4/c1-8-20(5)10-9-15-21(6,27-20)12-14(25)18-19(3,4)16(23)11-17(22(15,18)7)26-13(2)24/h8,14-18,25H,1,9-12H2,2-7H3/t14-,15+,16+,17-,18?,20-,21-,22+/m0/s