InChI=1/C15H32N2O4/c1-5-21-14(18)15(2,16)8-6-7-9-17(10-12-19-3)11-13-20-4/h5-13,16H2,1-4H3/p+1/t15-/m1/s1/fC15H33N2O4/h17H/q+1 5B00AA9F2DD96A3B