Number | Date | Country | Kind |
---|---|---|---|
2401553 | Jan 1974 | DT |
Number | Name | Date | Kind |
---|---|---|---|
2888492 | Fischer et al. | May 1959 | |
3239566 | Slaugh et al. | Mar 1966 | |
3448157 | Slaugh et al. | Jun 1969 | |
3773842 | Schirmann et al. | Nov 1973 | |
3929915 | Cumbo et al. | Dec 1975 |
Entry |
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J.F.W. McOmie, Advances in Organic Chem., Interscience Publishers, vol. 3, pp. 264-265, (1963). |