InChI=1/C18H26N2O2/c1-13(2)17(16-7-5-14(3)6-8-16)18(22)20-11-9-19(10-12-20)15(4)21/h5-8,13,17H,9-12H2,1-4H3/t17-/m1/s1 CD16287787BC6E7D