InChI=1/C15H20N2O2/c1-10-4-2-3-5-12(10)16-11-6-7-14-13(8-11)17-15(18)9-19-14/h6-8,10,12,16H,2-5,9H2,1H3,(H,17,18)/t10-,12+/m0/s1/f/h17H B6BC126E7D319AF2