Number | Date | Country | Kind |
---|---|---|---|
63-122051 | May 1988 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
2091800 | Adkin et al. | Aug 1937 | |
3213145 | Field | Oct 1965 |
Number | Date | Country |
---|---|---|
47-35419 | Sep 1972 | JPX |
49-31435 | Aug 1974 | JPX |
1254927 | Mar 1969 | GBX |
Entry |
---|
Organic Reaction, vol. VIII, pp. 1-27, John Wiley & Sons, New York (1954). |