Number | Name | Date | Kind |
---|---|---|---|
3511836 | Hess | May 1970 | |
3935213 | Hess | Jan 1976 | |
4001237 | Partyka et al. | Jan 1977 | |
4093726 | Winn et al. | Jun 1978 |
Entry |
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Althuis et al., J. Med. Chem., 20, 146-149 (1977). |
Derwent Publications Ltd., Farmdoe 36461B for Netherland Patent 7,804,135. |