Number | Date | Country | Kind |
---|---|---|---|
2-168555 | Jun 1990 | JPX |
Number | Date | Country |
---|---|---|
0376633 | Jul 1990 | EPX |
Entry |
---|
Chemical Abstracts, vol. 111, No. 11, Sep. 11, 1989, Abstract No. 97194n, Czollner et al. |
Chemical Abstracts, vol. 62, No. 8, Apr. 12, 1965, Abstract No. 9137c, Huckle et al. |
Chemical Abstracts, vol. 88, No. 21, May 22, 1978, Abstract No. 145961r, Bagolini et al. |