InChI=1/C17H24N2O3/c20-14-17(1-3-21-4-2-17)22-15(18-14)19-16-8-11-5-12(9-16)7-13(6-11)10-16/h11-13H,1-10H2,(H,18,19,20)/f/h19H B775E2A638858128