Number | Date | Country | Kind |
---|---|---|---|
58-52668 | Mar 1983 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
2901514 | Drysdale | Aug 1959 | |
3919328 | Gutierrey et al. | Nov 1975 | |
3928459 | Mercier | Dec 1975 | |
4304927 | Krespan | Dec 1981 |
Entry |
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Patai, The Chemistry of the Carbonyl Group, Interscience Publns, pp. 188-192, (1966). |