(6R,9R,10S)-10-Bromo-9-hydroxy-chamigra-2,7(14)-diene 2-Bromo-1,1,9-trimethyl-5-methylene-spiro[5.5]undec-8-en-3-ol InChI=1/C15H23BrO/c1-10-5-7-15(8-6-10)11(2)9-12(17)13(16)14(15,3)4/h5,12-13,17H,2,6-9H2,1,3-4H3/t12-,13-,15-/m1/s rel-(2R,3S,6R)-2-bromo-1,1,9-trimethyl-5-methylenespiro[5.5]undec-8-en-3-ol spiro[5.5]undec-8-en-3-ol, 2-bromo-1,1,9-trimethyl-5-methylene-, (2S,3R,6S)-