Number | Date | Country | Kind |
---|---|---|---|
62-193608 | Jul 1987 | JPX |
Number | Date | Country |
---|---|---|
249257 | Sep 1987 | DEX |
1268241 | Mar 1972 | GBX |
Entry |
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Tetrahedron, vol. 31, 1975, pp. 2237-2242, Pergamon Press, Oxfor, GB; J. C. Jacquesy et al. |
Chemical Abstracts, vol. 72, 1970, pp. 368-369, no. 12953n, Columbus, Ohio, US; D. K. Banarjee et al. |
Tetrahedron Letters, no. 23, 1968, pp. 2771-2775, Pergamon Press, Oxford, GB; D. K. Banerjee et al. |