InChI=1/C16H20N2O/c1-2-7-18-8-9-19-16-14-10-12(11-17)3-4-13(14)5-6-15(16)18/h3-4,10,15-16H,2,5-9H2,1H3/t15-,16-/m1/s1 36210569D093B216