Internal Standard Stock Solution, 1.2ml, nonane

Endosulfan-I-d4, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 203645-57-2

Valproic acid-d6

Acetone, neat, Solvent-neat, Unit 1.5mL, # of units-20, Cas.no. 67-64-1