InChI=1S/C25H26N2/c1-27(2)25-18-23-11-7-19-3-5-20(6-4-19)9-12-24(25)17-22(23)10-8-21-13-15-26-16-14-21/h3-6,8,10,13-18H,7,9,11-12H2,1-2H3/b10-8+

dataset for 13C nuclear magnetic resonance spectroscopy (13C NMR) 13C NMR (100 MHz, CDCl3, ppm) δ = 152.2 (Cq, CPy), 150.1 (+, CH, 2C, CPy), 145.8 (Cq, CAr), 140.4 (Cq, CAr), 139.7 (Cq, CAr), 138.3 (Cq, CAr), 134.5 (+, CH, CAr), 131.9 (+, CH, CAr)L, 131.0 (+, CH, CAr), 130.9 (+, CH, CH=CH), 130.8 (+, CH, CAr), 130.4 (Cq, CAr), 129.4 (+, CH, CAr), 129.1 (Cq, CAr), 122.8 (+, CH, CH=CH), 122.4 (+, CH, CAr), 120.5 (+, CH, 2C, CPy), 43.0 (+, 2C, CH3), 36.2 (–, CH2), 35.0 (–, CH2), 33.6 (–, CH2), 33.5 (–, CH2). The compound easily isomerizes in solution. The hydrogen spectrum is fine during the day, but spurious peaks appeared in the carbon spectrum at night.