Tributyl phosphate, 1ml

Tris(2-butoxy-[13C2]-ethyl) phosphate, 1.2ml x 50ug/ml, toluene

1,1-Dichloro-2,2-bis[4-chloro(13C6)phenyl]ethene, 1.2mL x 100ug/mL, nonane

Oxamyl