2,4,4'-Trichlorobiphenyl ether,50 µg/mL,n-nonane,1mL,

L-Arginine

Atrazine-desisopropyl-2-hydroxy, 100 µg/ml, Metha

2H,2H,3H,3H-Perfluoroundecanoic acid, 50µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 34598-33-9