InChI=1/C18H32N4O4/c1-3-7-19-17(24)15-5-8-20(9-6-15)14-16(23)21-10-12-22(13-11-21)18(25)26-4-2/h15H,3-14H2,1-2H3,(H,19,24)/p+1/fC18H33N4O4/h19-20H/q+1 64DA951942308DE2