Number | Name | Date | Kind |
---|---|---|---|
3960868 | Ferrini et al. | Jun 1976 | |
3966743 | Berger et al. | Jun 1976 | |
4065457 | Buckle et al. | Dec 1977 |
Number | Date | Country |
---|---|---|
806848 | Oct 1973 | BEX |
44-24596 | Oct 1969 | JPX |
Entry |
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DeGroot, "Journ. Org. Chem.", vol. 31, pp. 3954-3958 (1966). |