2-Chloropropene,neat,neat,250mg,

3,5,6-trichloro-2-pyridinol(4,5,6-13C3, 99%) cp 97%, 100ug/ml in Acetonitrile, 1,2ml

2,4-Dichlorophenylacetic acid

Atrazine-2-hydroxy, 100µg/mL in MeOH, 1ml