InChI=1/C18H27N3O3/c22-17(14-9-12-24-13-14)21-10-7-16(8-11-21)20-18(23)19-15-5-3-1-2-4-6-15/h9,12-13,15-16H,1-8,10-11H2,(H2,19,20,23)/f/h19-20H 9B958D870A98BFD0