Number | Name | Date | Kind |
---|---|---|---|
3455837 | Maede r et al. | Jul 1969 | |
3786064 | Harnisch | Jan 1974 | |
3850914 | Luthi | Nov 1974 | |
3860584 | Meyer | Jan 1975 | |
3926963 | Meyer | Dec 1975 | |
3926964 | Liechtl | Dec 1975 |
Entry |
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Weiss et al., J. Am. Chem. Soc. 80(1958) pp. 4657-4658. |