InChI=1/C15H29N3O3/c1-18-10-6-7-13(12-18)11-17-15(21)16-9-5-3-2-4-8-14(19)20/h13H,2-12H2,1H3,(H,19,20)(H2,16,17,21)/t13-/m0/s1/f/h16-18H 255A2AF8640B827D