of several dinitrobenzenes tested , 2,4-dinitrothiocyanatebenzene ( dntb ) was found to be the only one that did not induce contact sensitivity when applied to the guinea pig ear epicutaneously , but when applied epicutaneously it induced tolerance to 2,4-dinitrofluorobenzene ( dnfb ) .
C0012459
dinitrobenzenes
C0012463
dinitrofluorobenzene