InChI=1/C22H19N/c1-3-7-17(8-4-1)21-19-15-11-13-16(14-12-15)20(19)22(23-21)18-9-5-2-6-10-18/h1-11,13,15-16,23H,12,14H2/t15-,16+ A1E6D5D455D6BEA5