InChI=1/C15H32N2O4/c1-7-21-14(18)15(4,16)10-12(2)17(8-9-19-5)13(3)11-20-6/h12-13H,7-11,16H2,1-6H3/p+1/t12-,13+,15+/m1/s1/fC15H33N2O4/h17H/q+1 9D028E51A60F7F33