InChI=1/C18H32N4O4/c1-4-5-6-7-8-21(9-10-23)12-14(24)15-16(19)22(11-13(2)3)18(26)20-17(15)25/h13,23H,4-12,19H2,1-3H3,(H,20,25,26)/p+1/fC18H33N4O4/h20-21H/q+1 B1CCE13008342338