Cynarine, analytical standard

Ibuprofen Sodium, analytical standard

Pefabloc SC, analytical standard

Pefabloc SC, analytical standard

Pefabloc SC, analytical standard

Acid Green 50, analytical standard

Aldrin 5000 µg/mL in Methanol, analytical standard (Supelco)

(1)-1,2,4-Butanetriol, analytical standard

2,2-Dichloro-1,1,1-trifluoroethane 1000 µg/mL in Methanol, certified reference material (Supelco)

beta-Butyrolactone, analytical standard