Number | Name | Date | Kind |
---|---|---|---|
2396626 | Wiest et al. | Mar 1946 | |
4595717 | Patzschke et al. | Jun 1986 | |
5219958 | Noomen et al. | Jun 1993 |
Entry |
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Tsushima et al., Tetrahedron, 44(17), pp. 5375-5387 (1988). |
Quast et al., Liebigs. Ann. Chem., pp. 1305-1308 (1991). |