InChI=1/C19H17BrN2O8/c1-27-12(23)7-11-13(16(24)28-2)19(18(26)30-11)9-6-8(20)4-5-10(9)22-15(21)14(19)17(25)29-3/h4-6,14H,7H2,1-3H3,(H2,21,22)/t14-,19+/m0/s1/f/h21H2 D4D4D4B18FB3F3E9