InChI=1/C16H21BrO2/c1-10-5-4-6-11(2)13(10)7-12-8-16(19-3)14(17)9-15(12)18/h8-9,11,13,18H,1,4-7H2,2-3H3/t11-,13-/m0/s1 BD851DB40DFEC9EB