This is a division of application Ser. No. 689,680 filed Jan. 8, 1985 now U.S. Pat. No. 4,728,741.
Number | Date | Country |
---|---|---|
424258 | Feb 1942 | JPX |
Entry |
---|
Tyurenkova et al., Khim Geterotsikl. Soedin, 1980, No. 6, pp. 818-821. |
Bianchi et al., Eur. J. Med. Chem., 1981, vol. 16, No. 4, pp. 321-326. |
Chemical Abstracts, vol. 58, No. 12, Abstract No. 139644, Jun. 10, 1963 (Nakajima et al.). |
Chemical Abstracts, vol. 69, No. 22, Abstract No. 96573r, Nov. 25, 1968 (Aryuzina et al.). |
Number | Date | Country | |
---|---|---|---|
Parent | 689680 | Jan 1985 |