InChI=1/C18H20N2/c1-10-3-4-14-15(7-10)20-16-9-12-5-11(2)6-13(8-12)17(16)18(14)19/h3-5,7,12-13H,6,8-9H2,1-2H3,(H2,19,20)/p+1/t12-,13+/m0/s1/fC18H21N2/h20H,19H2/q+1 BD028A4B940598B6