N-Acetyl-S-benzyl-L-cysteine, 100mg

Marbofloxacin, 100 µg/ml, Methanol, 1ml

Pesticides - Mix 12, 10µg/ml in Acetonitrile, 10ml

2,2',4-Tribromodiphenyl ether, 1.2ml x 50ug/ml, nonane