Number | Date | Country | Kind |
---|---|---|---|
8102709 | Jan 1981 | GBX |
Number | Name | Date | Kind |
---|---|---|---|
4261979 | Jolles et al. | Apr 1981 | |
4311640 | Kuroda et al. | Jan 1982 |
Entry |
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Arien, Drug Design, vol. II, N.Y. Academic Press, 1971, p. 338-341, 355, 360-362. |
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