Number | Date | Country | Kind |
---|---|---|---|
4075/90 | Dec 1990 | CHX |
Number | Name | Date | Kind |
---|---|---|---|
2901504 | Aries | Aug 1959 | |
3222374 | Chase | Dec 1965 | |
4011234 | Hoffman-Paquotte | Mar 1977 | |
4026901 | Coffen | May 1977 | |
4093654 | Coffen | Jun 1978 | |
4255584 | Hoffmann-Paquotte | Mar 1981 | |
4772718 | Nosberger | Sep 1988 |
Entry |
---|
Stepanova et al., Chem. Abstracts, 85:519 No. 143020x (1976). |