InChI=1/C20H20N2O/c1-5-10-20(23)13-19(2,3)17-11-14(6-8-16(17)20)18-9-7-15(12-21)22(18)4/h1,6-9,11,23H,10,13H2,2-4H3/t20-/m0/s1	167CEF002BC5047E