InChI=1/C19H31N5O4/c1-18(2,3)13-6-8-19(9-7-13)15(26)24(17(28)21-19)11-14(25)22-23-16(27)20-10-12-4-5-12/h12-13H,4-11H2,1-3H3,(H,21,28)(H,22,25)(H2,20,23,27)/f/h20-23H 5BD6EB6FC67D6444