21 C.F.R. § 556.680 Sulfanitran.
Title 21 - Food and Drugs
A tolerance of zero is established for residues of sulfanitran (acetyl(p- nitro-phenyl) sulfanilamide) and its metabolites in the uncooked edible tissues of chickens.
Title 21: Food and Drugs
PART 556—TOLERANCES FOR RESIDUES OF NEW ANIMAL DRUGS IN FOOD
Subpart B—Specific Tolerances for Residues of New Animal Drugs
§ 556.680 Sulfanitran.