Number | Date | Country | Kind |
---|---|---|---|
3602443 | Jan 1986 | DEX |
Number | Name | Date | Kind |
---|---|---|---|
2304820 | Hanford et al. | Dec 1942 | |
2398367 | Felix et al. | Apr 1946 | |
3528961 | Miles et al. | Sep 1970 | |
4087420 | Heinrich et al. | May 1978 |
Entry |
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Goodman et al., J. Amer. Chem. Soc., vol. 88, pp. 5010 to 5015 (1966). |