Number | Date | Country | Kind |
---|---|---|---|
43 17 421.3 | May 1993 | DEX |
Number | Name | Date | Kind |
---|---|---|---|
4734390 | Marchand | Mar 1988 |
Number | Date | Country |
---|---|---|
2573060 | May 1986 | FRX |
42 34 938.9 | Feb 1993 | DEX |
Entry |
---|
Chemical Abstracts, vol. 117, No. 4, Jul. 27, 1992, abstract number 38907y. |