PAH-Mix 63, 1000 ng/µl, 1ml

Methotrexate hydrate, 100mg

2,3',4'-Trichlorobiphenyl (= 2',3,4-),100 µg/mL,isooctane,1mL,

2H-Perfluoro-[1,2-13C2]-2-dodecenoic acid (10:2), 50µg/ml in Isopropanol, 1,2ml