Number | Date | Country | Kind |
---|---|---|---|
50/133868 | Nov 1975 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
3631051 | Atsumi et al. | Dec 1971 | |
3632591 | Albertson et al. | Jan 1972 | |
3833595 | Atsumi et al. | Sep 1974 |
Number | Date | Country |
---|---|---|
48-16512 | May 1973 | JPX |
Entry |
---|
DeStevens, G. (editor), Analgetics, Academic Press, New York, 1965, p. 163. |