InChI=1/C18H27BrN2O3/c1-14(2)11-16(21-7-9-23-10-8-21)12-20-18(22)13-24-17-5-3-15(19)4-6-17/h3-6,14,16H,7-13H2,1-2H3,(H,20,22)/t16-/m1/s1/f/h20H 426A282DBBE49196