Number | Date | Country | Kind |
---|---|---|---|
53/55675 | May 1978 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
2650241 | Weisblat et al. | Aug 1953 | |
2772281 | Holly et al. | Nov 1956 | |
3177252 | Thominet | Apr 1965 |
Number | Date | Country |
---|---|---|
1146333 | Apr 1966 | GBX |
1153796 | Nov 1966 | GBX |
Entry |
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Noller, Textbook of Organic Chemistry, W. B. Saunders Company, Philadelphia, 1958, p. 190. |