InChI=1/C18H28N2O/c1-12-9-10-17(11-13(12)2)19-16(5)18(21)20-14(3)7-6-8-15(20)4/h9-11,14-16,19H,6-8H2,1-5H3/t14-,15-,16-/m0/s1 5994A517DCF8A50B