Number | Date | Country | Kind |
---|---|---|---|
2947825 | Nov 1979 | DEX |
Number | Name | Date | Kind |
---|---|---|---|
3117162 | Rylander et al. | Jan 1964 | |
4003933 | Drake | Jan 1977 | |
4137267 | Reid et al. | Jan 1979 |
Entry |
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Wagner et al., Synthetic Organic Chemistry, John Wiley & Sons, N.Y., N.Y., 1955, p. 660. |