Number | Date | Country | Kind |
---|---|---|---|
3620442 | Jun 1986 | DEX |
Number | Name | Date | Kind |
---|---|---|---|
3823138 | Van Rheenen | Jul 1974 | |
4103091 | Mitscher et al. | Jul 1978 | |
4472428 | Toru et al. | Sep 1984 | |
4622410 | Hamanaka et al. | Nov 1986 | |
4680288 | Irmscher et al. | Jul 1987 |
Entry |
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Chemical Abstracts, vol. 104, No. 26, Abstract 224,777n, Jun. 1986. |