InChI=1/C14H20BrNO4/c1-3-4-5-19-13(17)9-20-14-11(15)6-10(8-16)7-12(14)18-2/h6-7H,3-5,8-9,16H2,1-2H3/p+1/fC14H21BrNO4/h16H/q+1 E3475366AD1D8BF0