Number | Date | Country | Kind |
---|---|---|---|
A 1210/90 | Jun 1990 | ATX |
Number | Name | Date | Kind |
---|---|---|---|
2158098 | Zellner et al. | May 1939 | |
4692547 | Driscoll et al. | Sep 1987 | |
4814491 | Driscoll et al. | Mar 1989 |
Number | Date | Country |
---|---|---|
0099981 | Feb 1984 | EPX |
1939924 | Feb 1971 | DEX |
2717698 | May 1978 | DEX |
128099 | Nov 1977 | DDX |
139427 | Dec 1978 | DDX |
Entry |
---|
"Chemical Abstracts", vol. 97, entry 55807b (1982). |
"Chemical Abstracts", vol. 97, entry 92275x (1982). |
"Tetrahedron", 33, 1191-1196 (1977). |