|
| US4067892 | 9. Jan. 1976 | 10. Jan. 1978 | Beecham Group Limited | Substituted (4-carboxyphenoxy) phenyl alkane compounds |
| US4154756 | 15. Dez. 1977 | 15. Mai 1979 | American Cyanamid Company | 2-Substituted-4'-(monoalkylamino)-acetophenones |
| US4611080 | 12. Juli 1985 | 9. Sept. 1986 | Bayer Aktiengesellschaft | Preparation of halogenated aroylacetic acid esters |
