Number | Name | Date | Kind |
---|---|---|---|
4226866 | Christensen et al. | Oct 1980 | |
4407815 | Pearson | Oct 1983 | |
4665171 | Evans et al. | May 1987 |
Entry |
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Hatanaka et al., "A Simple Synthesis of (.+-.)-1-Carbacephem Derivatives", Tetrahedron Letters, vol. 24 (No. 44), pp. 4837-4838, 1983. |