Endrin

2-Mercapto-4,5,6,7-d4-benzimidazole, 5mg

2-tert-Butylphenyl diphenyl phosphate, 1.2ml x 50ug/ml, toluene

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