Number | Date | Country | Kind |
---|---|---|---|
8906950 | Mar 1989 | GBX | |
8909278 | Apr 1989 | GBX | |
8926822 | Nov 1989 | GBX |
Number | Name | Date | Kind |
---|---|---|---|
4849432 | Shiokawa | Jul 1989 | |
5028711 | Stenzel | Jul 1991 |
Number | Date | Country |
---|---|---|
344747 | Dec 1989 | EPX |
350805 | Jan 1990 | EPX |
294677 | Nov 1989 | JPX |
Entry |
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Bergmann, J. Med. Chem 23 492 (1990). |