Number | Date | Country | Kind |
---|---|---|---|
3522959 | Jun 1985 | DEX |
Number | Date | Country |
---|---|---|
2400518 | Mar 1979 | FRX |
2414048 | Aug 1979 | FRX |
Entry |
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Chem. Abstracts, vol. 96 (19), Abst. No. 96: 162538r, May 10, 1982. |
Chem. Abstracts, vol. 96 (9), Abst. No. 96: 68818k, Mar. 1, 1982. |