Collect. Czech. Chem. Commun. 1973, 38, 532-547
https://doi.org/10.1135/cccc19730532

Amino acids and peptides. CX. The infrared spectra of polycyclic spiro-dilactams with non-planar amide bonds

J. Smolíková, Z. Koblicová and K. Bláha

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