InChI=1/C14H21BrN2O3/c1-13(2)9(7-18)4-5-14(13,3)8-17-6-10(15)11(19)16-12(17)20/h6,9,18H,4-5,7-8H2,1-3H3,(H,16,19,20)/t9-,14+/m1/s1/f/h16H 653C164DCB1C34ED