Number | Date | Country | Kind |
---|---|---|---|
56-178992 | Nov 1981 | JPX |
Number | Date | Country |
---|---|---|
1224590 | Mar 1971 | GBX |
1416778 | May 1974 | GBX |
Entry |
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Pratt et al., Chemical Abstracts, vol. 82, No. 25, Abst. No. 171,138y, Jun. 23, 1975. |
Chemical Abstracts, Ninth Collective Index, vols. 76-85, Che. Substance, p. 23381 CS, (1972-1976), Pub. 1977. |
Kumagae et al., Chemical Abstracts, vol. 99, No. 22, Abst. No. 185,058k, Nov. 28, 1983. |