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

2-n-Nonylphenol-di-ethoxylate, 100 µg/ml, Acetone

3,4-Dichlorobiphenyl ,100 µg/mL,isooctane,1mL

3,3'-Dimethylbenzidine, 100mg