InChI=1/C14H21BrN2O4/c1-19-5-3-4-17-13(18)9-21-14-11(15)6-10(8-16)7-12(14)20-2/h6-7H,3-5,8-9,16H2,1-2H3,(H,17,18)/p+1/fC14H22BrN2O4/h16-17H/q+1 DF0AA592C14C6E2E