4,4'-Diaminodiphenyl sulfide, 100 µg/ml, Acetonit

Caffeine,100 µg/mL,MeOH,1mL,

2-Ethyl-3-methylpyrazine, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-, Cas.no. 15707-23-0

Metazachlor ESA, 10mg