Number | Date | Country | Kind |
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1-310615 | Dec 1989 | JPX |
Number | Name | Date | Kind |
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4216314 | Raabe et al. | Aug 1980 | |
5008267 | Katakami et al. | Apr 1991 |
Number | Date | Country |
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352613 | Jan 1990 | EPX |
Entry |
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E. M. Vaughan Williams, "Advances in drug research" 1974, pp. 69-101. |