InChI=1/C15H28N2O3/c1-15(16,14(18)19-2)8-5-9-17-10-11-20-13-7-4-3-6-12(13)17/h12-13H,3-11,16H2,1-2H3/t12-,13-,15+/m0/s1 EA82E1ED15C731E1