Number | Date | Country | Kind |
---|---|---|---|
51-51369 | May 1976 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
3342885 | Hutson | Sep 1967 | |
3810951 | Riordan et al. | May 1974 |
Number | Date | Country |
---|---|---|
4932,314 | Aug 1974 | JPX |
1,043,565 | Sep 1966 | GBX |
Entry |
---|
Chem. Abs. 75, 144424 (1971). |