Number | Date | Country | Kind |
---|---|---|---|
80 15753 | Jul 1980 | FRX |
Number | Name | Date | Kind |
---|---|---|---|
1891149 | Elger | Dec 1932 | |
1965458 | Elger | Jul 1934 | |
4119671 | Bauer et al. | Oct 1978 | |
4190605 | Muench et al. | Feb 1980 | |
4205188 | Muench et al. | May 1980 |
Number | Date | Country |
---|---|---|
2075617 | Oct 1971 | FRX |
Entry |
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Patai, The Chemistry of the Carbonyl Group (1966), 749-753, 758-759. |
Martin, J.A.C.S., vol. 74, (1952), 3024-3025. |
Freeman et al., J.A.C.S., vol. 76, (1954), 2080-2087. |