Butyl paraben

(±)-Ibuprofen-d3 (?-methyl-d3),1000 µg/mL,MeOH,1mL,

Propachlor, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 1918-16-7

Fermentation Standard, in Water, 1ml