Number | Date | Country | Kind |
---|---|---|---|
59-59070 | Mar 1984 | JPX | |
59-237272 | Nov 1984 | JPX | |
60-29927 | Feb 1985 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
3255267 | Fritz et al. | Jun 1966 | |
3560583 | Stewart et al. | Feb 1971 |
Number | Date | Country |
---|---|---|
657800 | Feb 1963 | CAX |
Entry |
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J. Org. Chem., 43, (21), 4090-4094 (1978). |