InChI=1/C19H20Br2O4/c1-9(2)13-7-12(8-14(10(3)4)17(13)22)25-18-15(20)5-11(19(23)24)6-16(18)21/h5-10,22H,1-4H3,(H,23,24)/p-1/fC19H19Br2O4/q-1 77C70EB5103E614F