Number | Date | Country | Kind |
---|---|---|---|
58-83748 | May 1983 | JPX | |
58-199854 | Oct 1983 | JPX | |
58-248034 | Dec 1983 | JPX | |
59-34979 | Feb 1984 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
1306710 | Nomura | Jun 1919 | |
3256336 | Lange | Jun 1966 | |
4062978 | Cole et al. | Dec 1977 |
Number | Date | Country |
---|---|---|
2349537 | Apr 1974 | DEX |
Entry |
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Pepper et al., Canadien Jour. Chem., vol. 49, No. 20, (1971), 3394-3395. |