Number | Date | Country | Kind |
---|---|---|---|
43 31 178.4 | Sep 1993 | DEX |
Number | Date | Country |
---|---|---|
0326328 | Aug 1989 | EPX |
0414368 | Feb 1991 | EPX |
0424125 | Apr 1991 | EPX |
0453137 | Oct 1991 | EPX |
0452002 | Oct 1991 | EPX |
0467760 | Jan 1992 | EPX |
WO9319050 | Sep 1993 | WOX |
Entry |
---|
Bergmann et al, Chemical Abstracts, vol. 79, entry 77808 (1973). |