Number | Name | Date | Kind |
---|---|---|---|
3248401 | Tondeur et al. | Apr 1966 | |
3880891 | Hill et al. | Apr 1975 | |
3947470 | Brenner et al. | Mar 1976 |
Number | Date | Country |
---|---|---|
1,394,771 | Mar 1965 | FRX |
2,265,358 | Mar 1975 | FRX |
Entry |
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Burger, Medicinal Chem. 2nd. Ed., Interscience (1960) Chapter 8, pp. 72-88 (pp. 74 and 81 especially). |