Anion Mix #2

Caffeine

Chlormequat-1,1,2,2-d4 chloride, 1000µg/ml in MeOH, 1ml

1,2,5,6-Tetramethylnaphthalene, 500µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 2131-43-3