Chloridazon-desphenyl, 100µg/mL in Acetonitrile, 1ml

2,2-Dibromostyrene,1000 µg/mL,isooctane,1mL

Guanidine nitrate

1,2,4,5,8-Pentachloro(13C10)naphthalene, 1.2mL x 50ug/mL, nonane