This is a continuation-in-part of my copending application Ser. No. 504,400, which was filed on Sept. 9, 1974 and which has been abandoned.
Number | Date | Country |
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2,210,169 | Sep 1973 | DT |
2,155,545 | May 1973 | DT |
Entry |
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Berichte, 41, 660-671 (1908), 23, pp. 3635-3639 (1890). |
Elderfield (Ed.) "Heterocyclic Compounds" vol. 5, pp. 171-174, Wiley & Sons publishers, N.Y. (1957). |
Davies, J. Chem. Soc. (1955), pp. 2412-2423. |
Wiley (Ed.), "Pyrazoles, Pyrazolines, Pyrazolidines, Indazoles & Condensed Rings" (1967), pp. 294-304, Interscience Publishers, N.Y. |
Number | Date | Country | |
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Parent | 504400 | Sep 1974 |