InChI=1/C19H22N2O2/c1-13-12-16(13)18-9-7-15(23-18)8-10-19(22)21(3)14(2)17-6-4-5-11-20-17/h4-11,13-14,16H,12H2,1-3H3/b10-8+/t13-,14+,16+/m1/s1 304ED75EF80B9BA3