Number | Date | Country | Kind |
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579/79 | Mar 1979 | YUX |
Number | Name | Date | Kind |
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3868416 | Albright et al. | Feb 1975 | |
4154756 | Shepherd | May 1979 |
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Dehmlow, Angew. Chem., vol. 16, #8, pp. 493-505 (1977). |
Patel, Chem. Abst., vol. 91, #39275x (1979). |