InChI=1S/C19H29N5O4/c1-19(2)11-15(26)24(17(28)16(19)27)6-4-3-5-22-7-9-23(10-8-22)18-20-12-14(25)13-21-18/h12-13,16,25,27H,3-11H2,1-2H3