InChI=1/C22H21N/c1-16-9-8-14-19-20(17-10-4-2-5-11-17)15-21(23-22(16)19)18-12-6-3-7-13-18/h2-7,10-13,15-16H,8-9,14H2,1H3/t16-/m0/s1 C6B2AB141B4A9F18