Magn. Reson. Chem. 57, 512–521 (2019)

DOI: 10.1002/mrc.4892

Assignment of 1H and 13C NMR data for three pairs of diastereomers of 4′‐X benzo[1,3]cyclopropa[1,2‐b]chromene‐4,5‐diones (X = H, OCH3, and Cl)