¹H NMR (400 MHz, CDCl₃) δ 5.82 (m, 1H), 5.31 (d, J = 15.5 Hz, 1H), 2.32 - 1.94 (m, 2H), 1.37 (m, 6H), 1.33 - 1.19 (m, 20H), 0.88 (t, J = 5.9 Hz, 3H). ¹³C{¹H} NMR (101 MHz, CDCl₃) δ 136.39, 130.98, 123.38, 43.98, 34.39, 32.53, 31.90, 29.63, 29.45, 29.42, 29.33, 29.13, 29.07, 28.96, 27.70, 26.25, 22.67, 14.09. HRMS (ESI) m/z calcd for C₁₈H₃₃NNa⁺[M+Na]⁺: 286.2505, found 286.2507.