Number | Date | Country | Kind |
---|---|---|---|
8209351 | Mar 1982 | GBX |
Number | Name | Date | Kind |
---|---|---|---|
96217 | Frazer | Oct 1869 | |
125726 | Davis | Apr 1872 | |
4175931 | Teschner et al. | Nov 1979 |
Number | Date | Country |
---|---|---|
494034 | Jun 1953 | CAX |
Entry |
---|
Condensed Chemical Dictionary, pp. 706-707, ninth edition. |