The molecule is a member of the class of phenylacetic acids that is phenylacetic acid in which the phenyl grup is substituted at the para- position by a nitro group. It is a C-nitro compound and a member of phenylacetic acids. It derives from a phenylacetic acid. It is a conjugate acid of a (4-nitrophenyl)acetate.
2-(4-nitrophenyl)acetic acid