InChI=1/C15H30N2O4/c1-6-12(4)14(15(20)21-5)16-13(19)10-17(11(2)3)8-7-9-18/h11-12,14,18H,6-10H2,1-5H3,(H,16,19)/p+1/t12-,14-/m1/s1/fC15H31N2O4/h16-17H/q+1 E88445586507C1B9