Number | Date | Country | Kind |
---|---|---|---|
75 19407 | Jun 1975 | FRX | |
76 12672 | Apr 1976 | FRX |
Number | Name | Date | Kind |
---|---|---|---|
3959385 | Nienberg | May 1976 | |
3976703 | Wilkis | Aug 1976 |
Number | Date | Country |
---|---|---|
2069322 | Oct 1971 | FRX |
Entry |
---|
Schindbauer, "Monltsch. Chem.", 96, (1965), pp. 2051-2057. |