Number | Date | Country | Kind |
---|---|---|---|
3928662 | Aug 1989 | DEX |
Number | Date | Country |
---|---|---|
0283876 | Sep 1988 | EPX |
294666 | Dec 1988 | EPX |
Entry |
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Patent Abstracts of Japan, Band 2, No. 24, Feb. 16, 1978, pp. 4198 C 77 & JP-A-52 125 168 (Nippon Soda K.K.) 10-02-1977. |
European Journal of Medicinal Chemistry--Chimica Therapeutica, Band 21, Nr. 3, 1986, pp. 235-244, Paris, FR. |
Journal of the Chemical Society, (C), 1968, pp. 2099-2107, London, GB. |
Justus Liebigs Annalen Der Chemie, Band 702, Mar. 21, 1968, pp. 101-111, Weinheim, DE. |