13C3-Caffeine, 100 µg/ml, Methanol, 1ml

Zonisamide-13C6 (ring-13C6),100 µg/mL,MeOH,1mL,

Omeprazole, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 73590-58-6

Pirimicarb, 10.0 µg/ml, Acetonitrile, 10ml