InChI=1/C16H27BrN2O3/c1-4-21-15-10-13(11-19-6-5-18-7-8-20)9-14(17)16(15)22-12(2)3/h9-10,12,18-20H,4-8,11H2,1-3H3/p+2/fC16H29BrN2O3/h18-19H/q+2 F07790EA8EEDA932