Isobutyraldehyde-DNPH

4-Nonylphenol, mixture of isomers, "Type C"

Sodium bis(1H,1H,2H,2H-[1,2-13C2]perfluorodecyl)phosphate, 50µg/ml in MeOH, 1,2ml

Acifluorfen-methyl, 50mg