Number | Date | Country | Kind |
---|---|---|---|
2729031 | Jun 1977 | DEX | |
2807762 | Feb 1978 | DEX |
Number | Date | Country |
---|---|---|
2160111 | Jun 1972 | DEX |
2334736 | Apr 1975 | DEX |
Entry |
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Einhorn, Berichte, vol. 42, (1909), 2237-2238. |
Rodd, Chemistry of Carbon Compounds, vol. I, Part B, (1952), 888. |
Ullmanns Encyklopodie der Technischen Chemie, vol. 13, pp. 450-453 & vol. 14, pp. 760-763. |
Houben-Weyl, Methoden der Organischen Chemie, vol. 6/3, pp. 11-18, and 54-71. |