摘要:
                                The complete assignment of the H-1, C-13 and F-19 NMR spectra of eight fluoro-substituted 3H-naphthopyrans was achieved by the concerted application of homonuclear (H-1-H-1) and heteronuclear (C-13-H-1 and F-19-H-1) correlations. Copyright (C) 1999 John Wiley & Sons, Ltd.