Doxycycline hyclate, 100 µg/ml, Methanol, 1ml

Methyl 10-cis-nonadecenoate , 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 19788-74-0

Benzo[a]pyrene, 10µg/mL, Solvent-acetonotrile, Unit 1mL, # of units-1, Cas.no. 50-32-8

1,2,3,4-Tetramethylbenzene