InChI=1/C18H23BrO2/c1-11-6-12(2)14(18(3,4)10-11)7-13-8-17(21-5)15(19)9-16(13)20/h6,8-9,14,20H,1,7,10H2,2-5H3/t14-/m1/s1 04C5AD440D52C874