under anaerobic conditions , carcinogenic 2-nitrofluorene , 4-nitrobiphenyl , and 1-nitro-naphthalene were reduced to the corresponding hydroxylamines and amines , whereas the carcinogenic 1-nitropyrene was reduced only to the corresponding amine by liver cytosol in the presence of 2-hydroxypyrimidine , an electron donor of aldehyde oxidase .
C0020363
hydroxylamines
C0002508
amine