Number | Date | Country | Kind |
---|---|---|---|
3935638 | Oct 1989 | DEX |
Number | Name | Date | Kind |
---|---|---|---|
4914221 | Winkler et al. | Apr 1990 |
Number | Date | Country |
---|---|---|
0163495 | May 1985 | EPX |
0291082 | May 1987 | EPX |
0282294 | Mar 1988 | EPX |
0322703 | Dec 1988 | EPX |
0385732 | May 1990 | EPX |
0304720 | Sep 1988 | DEX |
2245663 | Jan 1973 | FRX |
Entry |
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J. Chem. Soc. (1964) pp. 1548-1553 Bott et al. |
CA-(vol. 55) 21039g (1961) Chernyshev et al. |