sixteen hydrazine derivatives ( hydrazine , 1,1-dimethylhydrazine , 1,2-dimethylhydrazine , phenylhydrazine , procarbazine , isoniazid , isocarboxazid , nialamide , 2,4-dinitrophenylhydrazine , phenelzine , hydralazine , dihydralazine , carbamylhydrazine , mebanazine , iproniazid , and 1-carbamyl-2-phenylhydrazine ) were tested for dna-damaging activity by the alkaline elution technique and for mutagenic activity in the salmonella-microsome ( ames ) test .
C0020223
hydralazine
C0012271
dihydralazine