2-Nitrotoluene, 100 µg/ml, Methanol, 5ml

Di-n-propyl phthalate

(±)-Ibuprofen-d3 (?-methyl-d3),1000 µg/mL,MeOH,1mL,

2,3,5-Trimethylphenol, 100 µg/ml, Methanol, 5ml