Number | Date | Country | Kind |
---|---|---|---|
50-74962 | Jun 1975 | JA | |
50-74963 | Jun 1975 | JA |
Entry |
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jensen, Acta. Chem. Scan., vol. 13, (1959) pp. 1668-1670. |
Noller, Chemistry of Organic Compounds, (1965) published by W. B. Saunders Co., Phila. Pa., pp. 585 & 586. |
The Merck Index, 8th Ed. (1968) published by Merck & Co. Rahway, N. Y., p. 1168. |