| 摘要 |
The invention relates to the pharmaceutical substance griseofulvin, which has the following formula and chemical structure: C17H17ClO6, (2S,6'R)- 7-chloro- 2',4,6-trimethoxy- 6'-methyl- 3H,4'H-spiro [1-benzofuran- 2,1'-cyclohex[2]ene]- 3,4'-dione. Said substance is extracted from solutions of Penicillium patulum obtained by fermentation. The substance has the following references: GB 784,618 (Glaxo; appl. 28.3.1955). US 2,900,304 (ICI; 18.8.1959; GB-prior. 21.9.1956). US 3,038,839 (Glaxo; 12.6.1962; GB-prior. 2.3.1959). US 3,069,328 (Glaxo; 18.12.1962; GB-prior. 4.5.1960). US 3,069,329 (Glaxo; 18.12.1962; GB-prior. 4.5.1960). Said substance, which is generally administered orally at present, is used for treating decline and disorders of the mental faculties: attention, concentration and memory.
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