InChI=1/C18H30N2O4/c1-21-11-10-20-9-5-6-15(20)13-19-12-14-7-8-16(22-2)18(24-4)17(14)23-3/h7-8,15,19H,5-6,9-13H2,1-4H3/p+1/t15-/m0/s1/fC18H31N2O4/h19H/q+1 FDEAE90FD85017BA