Novel compositions.

摘要

A pharmaceutical composition comprising a compound of formula (I): <CHEM> in which R is optionally substituted phenyl; C3-8 cycloalkyl; C5-8 cycloalkenyl; C1-8 alkyl which may be straight or branched; C2-8 alkenyl which may be straight or branched; 5- or 6- membered heterocyclyl; or optionally substituted phenyl C1-4 alkyl, each of Y and Z, which may be the same or different, is oxygen or sulphur; and X is -CH2- or oxygen; and at least one other anthelmintically active compound. The use of such compositions in human and veterinary medicine is also described.