Number | Date | Country | Kind |
---|---|---|---|
1838/81 | Mar 1981 | CHX |
Number | Name | Date | Kind |
---|---|---|---|
3888870 | Jackson | Jun 1975 | |
3933840 | Damm et al. | Jan 1976 | |
4022607 | Jackson | May 1977 |
Number | Date | Country |
---|---|---|
2146161 | Feb 1973 | FRX |
Entry |
---|
J. Chromatog, 46, 48-65 (1970). |