Number | Date | Country | Kind |
---|---|---|---|
4134379 | Oct 1991 | DEX |
Number | Name | Date | Kind |
---|---|---|---|
4921840 | Seubert et al. | May 1990 | |
4942181 | Riede et al. | Jul 1990 |
Entry |
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Chem. Ab. vol. 104: 6219r. |
Chimika Chronika New Series, 1, 203-209 (1972). |
Chem. Ab. vol. 103: 98707d. |
Chem. Ab. vol. 105: 96590c. |