InChI=1/C18H24BrNO4/c1-4-13-14(17(21)23-5-2)15(11-7-9-12(19)10-8-11)20-16(13)18(22)24-6-3/h7-10,13-16,20H,4-6H2,1-3H3/t13-,14-,15-,16-/m0/s1 CB443E5322E85BD0