InChI=1/C18H28N2O4/c1-14(2)11-16(18(23)24-3)19-17(22)13-20(9-10-21)12-15-7-5-4-6-8-15/h4-8,14,16,21H,9-13H2,1-3H3,(H,19,22)/p+1/t16-/m0/s1/fC18H29N2O4/h19-20H/q+1 7508C7694D073BDA