Number | Date | Country | Kind |
---|---|---|---|
197 31 863 | Jul 1997 | DEX |
Number | Name | Date | Kind |
---|---|---|---|
3585200 | Sheppard et al. | Jun 1971 | |
5128471 | Scholl | Jul 1992 |
Number | Date | Country |
---|---|---|
0 548 930 | Jun 1993 | EPX |
Entry |
---|
Journal of the Chemical Society of Japan 1973, 10, pp. 1987-1992. |
Chemical Abstracts, vol. 80, No. 16, Abstract No. 83693, XP-002091418. |