Pentachloronitrobenzene

1,1,1-Trichloro-2-(2-chlorophenyl)-2-(4-chlorophenyl)ethane, 1.2mL x 100ug/mL, nonane

3,3'-Dimethoxybenzidine,100 µg/mL,acetonitrile,1mL,

2,5-Pyrazinediethanol, 5mg