Alachlor (ring 13C6), 100ug/ml in n-Nonane, 1,2ml

N,O-Diacetyl-4-aminophenol, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 2633-33-8

L-Cystine

Succinic acid, 250mg