delta-HCH, 10.0 µg/ml, Ethyl acetate, 10ml

Benzo[b]naphtho[1,2-d]furan, 10mg

1H,1H,2H,2H-Perfluoro-n-octyl methacrylate-d5,50 µg/mL,MeOH,1mL,

2,4,6,8-Tetramethyl-2,4,6,8-tetraazabicyclo[3.3.0]-3,7-oxandione