Carbon‐13 NMR spectra of 1,3‐dioxolanes. I—new parameters for cis‐ and trans‐4‐methyl groups in 2,4‐disubstituted derivatives

1. Espinosa, A.
2. Gallo, M.A.
3. Campos, J.
4. Entrena, A.
5. Camacho, E.