Number | Name | Date | Kind |
---|---|---|---|
T988010 | Cunningham et al. | Nov 1979 | |
3686266 | Krefeld et al. | Aug 1972 | |
3979437 | Theissen | Sep 1976 | |
4193790 | Rohr et al. | Mar 1980 | |
4259510 | Johnson | Mar 1981 |
Entry |
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Morrison et al., "Org. Chemistry", pp. 344-352, Allyn & Bacon (1966). |