InChI=1/C16H27N5O4/c1-5-7-21-14(17)13(15(24)19-16(21)25)11(22)8-20(6-2)9-12(23)18-10(3)4/h10H,5-9,17H2,1-4H3,(H,18,23)(H,19,24,25)/f/h18-19H 753FA687F21DC08A