Results: In alltestedconcentrations,nomutagenicitywasobservedineithertestingstrainunderboth
presenceandabsenceofS9metabolicmixturewhentesteduptothehighestdoseof100mg/ml.No
significantincreasesinchromosomeaberrationnumbersormicronucleatedpolychromaticerythrocytes
wereobserved.Erythropoiesiswasnotaffectedinanimalsgavagedupto2000mg/kgofLr.