The present invention relates to novel compounds, pharmaceutical compositions containing the same as well as a method for treatment of parasitic disorders, wherein said compounds are administered. The present compounds are especially well suited for treatment of coccidiosis, particularly in poultry, and they have general formula (I), where Y is S or O and R is as defined in the specification.
Schroeter, Chemische Berichte, 1927, vol. 60, p. 2044