Number | Name | Date | Kind |
---|---|---|---|
2921958 | Feichtinger | Jan 1960 | |
3370080 | Block et al. | Feb 1968 | |
3764569 | Ali et al. | Oct 1973 | |
4070396 | Convers et al. | Jan 1978 | |
4087457 | Convers et al. | May 1978 | |
4267123 | Chen et al. | May 1981 | |
4275013 | Tokosh et al. | Jun 1981 |
Entry |
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Shepherd et al., Chem. Abst., 82, 85, 815 k (1975). |
R. Morrison and R. Boyd, Organic Chemistry, Allyn and Bacon Inc., Boston (3rd Ed. 1973) p. 953. |