Closantel sodium, 100mg

iso-Butyl benzyl phthalate (2-Methylpropyl benzyl phthalate), 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 72170-45-7

Acetonitrile-1,2-13C2,2000 µg/mL,MeOH,1mL,

2,4-D (13C6, 99%) 100µg/mL in Acetonitrile, 1,2ml