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Journal of Medicinal Chemistry, 2005 , vol. 48, # 7 p. 2638 - 2645

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Journal of Organic Chemistry USSR (English Translation), 1984 , vol. 20, p. 176 - 181
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Levchenko, E. S.; Borovikova, G. S.; Borovik, E. I.; Kalinin, V. N.
Journal of Organic Chemistry USSR (English Translation), 1984 , vol. 20, p. 176 - 181
Zhurnal Organicheskoi Khimii, 1984 , vol. 20, # 1 p. 196 - 201