Collect. Czech. Chem. Commun.
1970, 35, 1610-1613
https://doi.org/10.1135/cccc19701610
Substances with antineoplastic activity. XLI. δ-(8-Aza-6-purinylthio)valeric acid and some of its 9-alkyl and 9-cycloalkyl derivatives
R. Kotva, M. Semonský, J. Vachek and V. Jelínek
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