Wiktionary
dinoseb
n. A herbicide of the dinitrophenol family, 2-sec-butyl-4,6-dinitrophenol.
Wikipedia
Dinoseb
Dinoseb is an herbicide in the dinitrophenol family. The IUPAC name is 2-sec-butyl-4,6-dinitrophenol and its molecular formula is CHNO.