Number | Date | Country | Kind |
---|---|---|---|
2540653 | Sep 1975 | DEX |
Number | Name | Date | Kind |
---|---|---|---|
3801712 | Meiser | Apr 1974 |
Entry |
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Olah, "Friedel-Crafts and Related Reactions," vol. II, part I, pp. 616-621, 633-636 & 638-640 (1964). |
Allinger, "Organic Chemistry," pp. 355-357 (1972). |