Simazine, 100 µg/ml, Methanol, 1ml

Bis(4-methyl-1-pentyl) phthalate,1000 µg/mL,isooctane,1mL,

d4 C29 alpha alpha alpha (20R)-Ethylcholestane, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-10, Cas.no.

Ethyl-t-butyl ether