Number | Name | Date | Kind |
---|---|---|---|
3162681 | Connors et al. | Dec 1964 | |
3983174 | Richter et al. | Sep 1976 | |
4172095 | Steinman et al. | Oct 1979 | |
4282380 | Lutz | Aug 1981 | |
4496765 | Ka et al. | Jan 1985 |
Entry |
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Wagner et al., "Synthetic Organic Chemistry", p. 8 (1963). |