InChI=1/C15H31N3O3/c1-3-18(4-2)13-9-12-17-15(21)16-11-8-6-5-7-10-14(19)20/h3-13H2,1-2H3,(H,19,20)(H2,16,17,21)/f/h16-18H F0F31313EEDDE05F