InChI=1/C15H22N2O4/c18-9-12-15(21)14(20)11(17-12)8-16-13(19)7-6-10-4-2-1-3-5-10/h1-5,11-12,14-15,17-18,20-21H,6-9H2,(H,16,19)/t11-,12+,14+,15-/m0/s1/f/h16H 2BF7CE0F77EB60BC