InChI=1/C18H31N3O2/c1-8-9-21-13(2)10-15(14(21)3)16(22)11-20(7)12-17(23)19-18(4,5)6/h10H,8-9,11-12H2,1-7H3,(H,19,23)/f/h19H 863613ADBF553F87