“…Compound 65 was synthesized from dl -carnitine hydrochloride according to a literature procedure; mp 159–162 °C (decomp). 1 H NMR (D 2 O, DSS) δ 3.03 (dd, J = 6.8, 17.5 Hz, 1H), 3.05 (dd, J = 6.7, 17.5 Hz, 1H), 3.29 (s, 9H), 3.88 (dd, J = 1.6, 14.9 Hz, 1H), 3.94 (dd, J = 8.5, 14.9 Hz, 1H), 4.87 (m, 1H).…”