Sulfamethoxazole, 1000µg/ml in MeOH, 1ml

Salicylic acid-d4 (3,4,5,6-d4), 100µg/mL, Solvent-methanol, Unit 1mL, # of units-10, Cas.no. 7864-17-0

4-Ethylphenol-d4-PFB, 1000µg/mL, Solvent-isopropanol, Unit 1mL, # of units-1, Cas.no. 100-58-8

Tris(2-butoxyethyl) phosphate,1000 µg/mL,isooctane,1mL