Number | Date | Country | Kind |
---|---|---|---|
1104/82 | Feb 1982 | CHX |
Number | Name | Date | Kind |
---|---|---|---|
3564607 | Breuer et al. | Feb 1971 | |
3864357 | Porret et al. | Feb 1975 | |
3864358 | Porret et al. | Feb 1975 |
Number | Date | Country |
---|---|---|
EP87392 | Aug 1983 | EPX |
EP87394 | Aug 1983 | EPX |
EP84836 | Aug 1983 | EPX |
Entry |
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Huffman et al., J. Org. Chem., 28, 1816, (1963). |
Hartke et al., Chem. Ber., 99, 3155, (1966). |