Isophthalic acid, bis-methyl ester. 1g

2,6-Dimethylnaphthalene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 581-42-0

MCPP methyl derivative

Caffeine, 100µg/ml in MeOH, 1ml