Thiophosphoric esters (phosphorothioates) and their salts; their halogenated, sulphonated, nitrated or nitrosated derivatives
Thiophosphoric esters "phosphorothioates" and their salts; their halogenated, sulphonated, nitrated or nitrosated derivatives (excl. parathion [iso] and parathionmethyl [iso] [methylparathion])
Parathion "iso" and parathionmethyl "iso" "methylparathion"