... Organic Letters. Advanced Search. ... Lett. All Publications/Website. Select a Journal or Book. ... Table 1. NMR Data for 1–3 in CDCl 3 , Obtained at 600 and 150 MHz for 1 H and 13 C, Respectively (J in Hz). 1, 2, 3. δ H, δ C , type, δ H, δ C , type, δ H, δ C , type. ...