beta-Endosulfan-d4 (1,1,5,5-d4),100 µg/mL,n-nonane,1mL,

2-Fluorodiphenyl ether, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 124330-20-7

Terbufos-d10 (O,O-diethyl-d10),100 µg/mL,acetonitrile,1mL,

Tetrahydrofuran