InChI=1/C17H27N3O4/c1-12-7-9-17(10-8-12)15(22)20(16(23)18-17)19-14(21)11-24-13-5-3-2-4-6-13/h12-13H,2-11H2,1H3,(H,18,23)(H,19,21)/f/h18-19H DF3A19398138DE5B