| Number | Date | Country | Kind |
|---|---|---|---|
| 44 34 637.9 | Sep 1994 | DEX |
| Number | Name | Date | Kind |
|---|---|---|---|
| 5358957 | Maienfisch et al. | Oct 1994 |
| Number | Date | Country |
|---|---|---|
| 0436348 | Jul 1991 | EPX |
| 0540472 | May 1993 | EPX |
| 0314427 | May 1989 | WOX |
| WO 8200401 | Feb 1992 | WOX |
| WO 9304580 | Mar 1993 | WOX |
| Entry |
|---|
| Chemical Abstracts 87:177685, RN 64303.89-5, 1977. |
| Chemical Abstracts, vol. 112, No. 7, Feb. 12, 1990, p. 739, column 1, Abstract No. 5555 4v. |
| Chemical Abstracts, vol. 77, No. 1, Jul. 3, 1972, p. 34, column 1, Abstract No. 341b. |
| Chemical Abstracts, vol. 103, No. 13, Sep. 30, 1985, p. 608, column 1, Abstract No. 104819k. |
| Chemical Abstracts, vol. 55, No. 25, Dec. 11, 1961, Abstract No. 25943i. |
| Chemical Abstracts, vol. 72, No. 15, Apr. 13, 1970, p. 124, column 1, Abstract No. 76012n. |