InChI=1/C16H24N2O2/c1-3-4-5-6-11-17-15(19)16(20)18-12-14-9-7-13(2)8-10-14/h7-10H,3-6,11-12H2,1-2H3,(H,17,19)(H,18,20)/f/h17-18H 332CD14F7AD0B675