InChI=1/C15H23N3O2/c1-11-6-7-13(15(16)17-20)14(10-11)18(8-9-19)12-4-2-3-5-12/h6-7,10,12,19-20H,2-5,8-9H2,1H3,(H2,16,17)/f/h16H2/b17-15- 4D7BEEC1040D2AD3