InChI=1/C14H22BrNO4/c1-3-19-13-9-11(10-16)8-12(15)14(13)20-7-6-18-5-4-17-2/h8-9H,3-7,10,16H2,1-2H3/p+1/fC14H23BrNO4/h16H/q+1 3B7A8F78564AF2AF