hamsters were given hydrazine sulfate at 170 , 340 and 510 mg/l in the drinking water for 2 years [ average dose of 4.6 , 8.3 and 10.3 mg hydrazine ( free base ) /kg body wt over the 2-year period ] , during which levels of methylation of dna guanine in liver , kidney and lung , and histopathologic examinations of these tissues were carried out ;
C0063067
hydrazine sulfate
C0020231
hydrazine