1H NMR (400 MHz, CDCl3): δ 8.41 (2H, d, 3J = 8 Hz, Ar), 7.86 (1H, t, 3J = 8 Hz, Ar), 7.11 (4H, d, 3J = 7 Hz, Ar), 7.03 (2H, t, 3J = 7 Hz, Ar), 2.70 (4H, sept., 3J = 7 Hz, CHMe2), 2.20 (6H, s, NCMe), 1.19 (24H, d, 3J = 7 Hz, CHMe2).
13C NMR (100 MHz, CDCl3): δ 166.9 (CN), 155.2, 146.5 (Ar q), 136.9 (Ar), 135.8 (Ar q) 123.6, 123.0, 122.2 (Ar), 28.3 (CMe2), 23.2 (Me), 22.9 (CMe2).