Metoprolol (free base),neat,neat,50mg,

2,8-Dichlorodibenzo-p-dioxin,50 µg/mL,n-nonane,1mL,

Budesonide, 100µg/mL in Acetonitrile, 1ml

Tetradifon, 10.0 µg/ml, Ethyl acetate, 10ml