Collect. Czech. Chem. Commun. 1972, 37, 2606-2610

Substances with antineoplastic activity. L. N-[δ-(2-amino-6-purinylthio)valeryl]amino acids, their ethyl esters and analogous derivatives of di- and triglycine

A. Černý, R. Kotva and M. Semonský

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