Number | Date | Country | Kind |
---|---|---|---|
3720/91 | Dec 1991 | CHX |
Number | Name | Date | Kind |
---|---|---|---|
4323497 | Hoyer et al. | Apr 1982 | |
4378312 | Hoyer et al. | Mar 1983 | |
4620875 | Shimada et al. | Nov 1986 | |
4686286 | Niwa et al. | Aug 1987 | |
4875903 | Pedrazzi | Oct 1989 | |
4888028 | Hihara et al. | Dec 1989 |
Number | Date | Country |
---|---|---|
2748975 | May 1979 | DEX |
662580 | Jun 1985 | CHX |
2226336 | Jun 1990 | GBX |
Entry |
---|
Chem. Abst. 62 (1965) 10563f. |
Chem. Abst. 68 (1968) 79637y. |
Chem. Abst. 95 (1981) 63664b. |
Chem. Abst. 111 (1989) 196985c. |
Chem. Abst. 112 (1990) 58458c. |