2,4-Dichlorophenylacetic acid

4,4'-DDE, 100µg/mL, Solvent-dichloromethane, Unit 1mL, # of units-1, Cas.no. 72-55-9

2,4'-DDD, 10.0 µg/ml, Ethyl acetate, 10ml

Sildenafil citrate,1000 µg base/mL,MeOH,1mL