Number | Date | Country | Kind |
---|---|---|---|
55-141240 | Oct 1980 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
3082209 | Surrey | Mar 1963 |
Number | Date | Country |
---|---|---|
624416 | Jul 1961 | CAX |
2055816 | Mar 1981 | GBX |
Entry |
---|
Chemical Abstracts, vol. 84, 1976, p. 472, 164801x. |
Chemical Abstracts, vol. 85, 1976, p. 457, 5655g. |