InChI=1/C18H20N2/c1-2-11-7-12-9-13(8-11)17-16(10-12)20-15-6-4-3-5-14(15)18(17)19/h3-6,8,12-13H,2,7,9-10H2,1H3,(H2,19,20)/p+1/t12-,13+/m0/s1/fC18H21N2/h20H,19H2/q+1 F9457FD2B7A34390