InChI=1/C18H24N2O3/c21-17(19-23)12-11-16-10-6-14-20(18(16)22)13-5-4-9-15-7-2-1-3-8-15/h1-3,7-8,10,23H,4-6,9,11-14H2,(H,19,21)/f/h19H 9C725F39A421481A