Mefenamic acid

2-(4-Hydroxyphenyl)-1H-benzimidazole, neat, Solvent-neat, Unit 10MG, # of units-19, Cas.no. 6504-13-8

Dopamine,1000 µg/mL,MeOH with 5% 1 M HCl,1mL,

Individual Calibration Solutions, 200ul, nonane