InChI=1/C15H22N2O4/c1-21-13(10-6-3-7-11-14(18)17-20)15(19)16-12-8-4-2-5-9-12/h2,4-5,8-9,13,20H,3,6-7,10-11H2,1H3,(H,16,19)(H,17,18)/t13-/m0/s1/f/h16-17H	8F7FD0C51B781BC6