Number | Date | Country | Kind |
---|---|---|---|
8426804 | Oct 1984 | GBX |
Number | Name | Date | Kind |
---|---|---|---|
3975388 | Hakim et al. | Aug 1976 |
Number | Date | Country |
---|---|---|
1488330 | Oct 1977 | GBX |
Entry |
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Curran et al., Chemical Abstracts, vol. 77 (1972) No. 19664f, Substance Index, vol. 77 (1922), p. 3370CS. |
Albright et al., Chemical Abstracts, vol. 90 (1979), No. 38855d, Substance Index, vol. 90 (1979), p. 5069CS. |