Number | Date | Country | Kind |
---|---|---|---|
3514450 | Apr 1985 | DEX |
Number | Name | Date | Kind |
---|---|---|---|
2091257 | Eckelmann et al. | Aug 1937 | |
2686802 | Slack et al. | Aug 1954 | |
2953563 | Schaefer et al. | Sep 1960 | |
3492375 | Gruber et al. | Jan 1970 |
Number | Date | Country |
---|---|---|
2147794 | Sep 1971 | DEX |
3334207A1 | Sep 1983 | DEX |
Entry |
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Neilson, Douglas G., "The Chemistry of Amidines and Imidates", John Wiley & Sons, (1975), pp. 385-394. |
Houben-Weyl, "Methoden der Organischen Chemie", Band VIII, pp. 697-701. |