(±)-Fipronil,100 µg/mL,MeOH,1mL,

JWH-250 N-(5-Hydroxypentyl) metabolite, 50µg/mL, Solvent-acetonitrile, Unit 1mL, # of units-1, Cas.no. 1427325-83-4

Theophylline,1000 µg/mL,MeOH,1mL,

Method 525.2 Solution B