Number | Date | Country | Kind |
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3001894 | Jan 1980 | DEX |
Number | Name | Date | Kind |
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3062792 | McConnell et al. | Nov 1962 |
Entry |
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Yamagami et al., "Nippon Kagaku Kaisha", vol. 10 (1972), pp. 1991-1993. |
Wagner et al., "Synthetic Organic Chemistry", (1953), J. Wiley & Sons, New York, pp. 41-42. |