Number | Date | Country | Kind |
---|---|---|---|
25424 A/81 | Dec 1981 | ITX |
Number | Name | Date | Kind |
---|---|---|---|
4008334 | Hansen | Feb 1977 | |
4216235 | Dasek et al. | Aug 1980 |
Entry |
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Chemical Abstracts, vol. 84:103854v (1976) Abstract of Japan Kokai 75 63,187 (Suzuki et al.). |
Chemical Abstracts, vol. 91:73290h (1979). |
Chemical Abstracts, vol. 93:41179d (1980). |