Number | Date | Country | Kind |
---|---|---|---|
52-8958 | Jan 1977 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
2708680 | Richmond | May 1955 | |
2809884 | Ratje | Oct 1957 | |
3093649 | Ratje et al. | Jun 1963 | |
3149162 | Gardner et al. | Sep 1964 |
Number | Date | Country |
---|---|---|
328210 | Apr 1930 | GBX |
909054 | Oct 1962 | GBX |
1430366 | Mar 1976 | GBX |
Entry |
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Fierz-David et al., "Dye Chemistry", 5th Ed., pp. 34-40 (1949). |
Beilstein's Handbook, 2nd Supplement, Band 16, pp. 147-151. |
Handbook of Chemistry & Physics, 58th Ed., p. C-133. |