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https://www.jhetchem.com/cd2html.php?file=19790371Heterocyclic Compounds. XI. Potential Post-Coital Antifertility Agents
M. S. Manhas, S. G. Amin, S. D. Sharma, B. Dayal, Ajay K. Bose Journal of Heterocyclic Chemistry, 1979, Volume 16, pp. 371-376
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