Number | Date | Country | Kind |
---|---|---|---|
49-32391 | Mar 1974 | JA | |
49-32392 | Mar 1974 | JA | |
49-39730 | Apr 1974 | JA | |
49-41530 | Apr 1974 | JA |
Number | Name | Date | Kind |
---|---|---|---|
3778432 | Pines | Dec 1973 | |
3843641 | Christensen et al. | Oct 1974 |
Entry |
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Firestone et al, J. Org. Chem. 38 1436 (1973). |
Koppel et al., J. Amer. Chem. Soc. 95 2403 (1973). |