Number | Name | Date | Kind |
---|---|---|---|
4968691 | Orlek | Nov 1990 |
Number | Date | Country |
---|---|---|
239309 | Mar 1987 | EPX |
307142 | Sep 1988 | EPX |
323864 | Jan 1989 | EPX |
301729 | Feb 1989 | EPX |
307140 | Mar 1989 | EPX |
0398629 | May 1990 | EPX |
Entry |
---|
Chem. Letter (1986), 839 et seq. |