InChI=1/C16H20Br2O3/c17-13-8-12(6-7-15(19)20)9-14(18)16(13)21-10-11-4-2-1-3-5-11/h8-9,11H,1-7,10H2,(H,19,20)/p-1/fC16H19Br2O3/q-1 F9F5B7DC071CF62E