Number | Name | Date | Kind |
---|---|---|---|
3639474 | Harrington et al. | Feb 1972 |
Number | Date | Country |
---|---|---|
853374 | Oct 1977 | BEX |
0001515 | Oct 1978 | EPX |
1468747 | Oct 1967 | FRX |
Entry |
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Logemann et al., Chem. Abst., vol. 53 (1959), 18052g. |
Wojciechowski, J., Acta. Polon. Pharm., vol. 19 (1962), pp. 121-125. |
Number | Date | Country | |
---|---|---|---|
Parent | 171355 | Jul 1980 |