InChI=1/C15H26N2O3/c18-14(19)8-2-1-5-9-16-15(20)13-10-11-6-3-4-7-12(11)17-13/h11-13,17H,1-10H2,(H,16,20)(H,18,19)/t11-,12+,13+/m0/s1/f/h16-17H F461436B01DC334E