has role is protonated form of independent continuant fomesafen(1-) herbicide agrochemical phenols aromatic ether C-nitro compound organofluorine compound EC 1.3.3.4 (protoporphyrinogen oxidase) inhibitor fomesafen CHEBI:81925 An <em>N</em>-sulfonylcarboxamide that is <em>N</em>-(methylsulfonyl)benzamide in which the phenyl ring is substituted by a nitro group at position 2 and a 2-chloro-4-(trifluoromethyl)phenoxy group at position 5. A protoporphyrinogen oxidase inhibitor, it was specially developed for use (generally as the corresponding sodium salt, fomesafen-sodium) for post-emergence control of broad-leaf weeds in soya. monochlorobenzenes N-sulfonylcarboxamide