Assignment of 1 H and 13 C 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).
Joana L C SousaCarlos F M SilvaIbon AlkortaJose ElgueroPublished in: Magnetic resonance in chemistry : MRC (2019)