Number | Date | Country | Kind |
---|---|---|---|
3812755 | Apr 1988 | DEX |
Number | Name | Date | Kind |
---|---|---|---|
3489757 | Koppe et al. | Jan 1970 | |
4255575 | Grisar et al. | Mar 1981 |
Entry |
---|
Grisar et al., J. Med. Chem. pp. 327-336 (1981). |
Archibald et al., Chemical Abstracts, vol. 77, No. 34355 (1972). |
Archibald et al., Chemical Abstracts, vol. 79, No. 136989 (1973). |