abstract |
Compounds of formula (VIII):n wherein R¹⁰ is hydroxy or methoxy and R¹¹ and R¹² are the same or different and each is selected from optionally protected hydroxy, alkoxy, acyloxy, sulphonyloxy, oxo and optionally O-substituted oximino, but excluding VM44864 and VM44866 as herein defined, are new and useful as anthelmintic agents. |