in nontoxic dose ranges , the induction of mutants and recombinants was parallel after treatment with ethyl methanesulfonate ( ems ) , methyl methanesulfonate ( mms ) , n-methyl-n'-nitro-m-nitrosoguanidine ( mnng ) , triethylene melamine ( tem ) , 4-nitroquinoline 1-oxide ( 4-nqo ) , sodium nitrite ( nano2 ) , and 1-fluoro-2,4-dinitrobenzene ( 2,4-dnfb ) .
C0012459
dinitrobenzene
C0012463
dnfb