Memantine hydrochloride,neat,neat,50mg,

EPA Method 515.1 Internal Standard

alpha-HCH (BHC), 100µg/mL, Solvent-dichloromethane, Unit 1mL, # of units-1, Cas.no. 319-84-6

Secbumeton, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 26259-45-0